18940500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 64995840

約数和(自身を除く): 46055340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 61, 69, 75, 90, 92, 100, 108, 115, 122, 125, 135, 138, 150, 180, 183, 207, 225, 230, 244, 250, 270, 276, 300, 305, 345, 366, 375, 414, 450, 460, 500, 540, 549, 575, 610, 621, 675, 690, 732, 750, 828, 900, 915, 1035, 1098, 1125, 1150, 1220, 1242, 1350, 1380, 1403, 1500, 1525, 1647, 1725, 1830, 2070, 2196, 2250, 2300, 2484, 2700, 2745, 2806, 2875, 3050, 3105, 3294, 3375, 3450, 3660, 4140, 4209, 4500, 4575, 5175, 5490, 5612, 5750, 6100, 6210, 6588, 6750, 6900, 7015, 7625, 8235, 8418, 8625, 9150, 10350, 10980, 11500, 12420, 12627, 13500, 13725, 14030, 15250, 15525, 16470, 16836, 17250, 18300, 20700, 21045, 22875, 25254, 25875, 27450, 28060, 30500, 31050, 32940, 34500, 35075, 37881, 41175, 42090, 45750, 50508, 51750, 54900, 62100, 63135, 68625, 70150, 75762, 77625, 82350, 84180, 91500, 103500, 105225, 126270, 137250, 140300, 151524, 155250, 164700, 175375, 189405, 205875, 210450, 252540, 274500, 310500, 315675, 350750, 378810, 411750, 420900, 526125, 631350, 701500, 757620, 823500, 947025, 1052250, 1262700, 1578375, 1894050, 2104500, 3156750, 3788100, 4735125, 6313500, 9470250, 18940500]

約数ペア:

[(1, 18940500), (2, 9470250), (3, 6313500), (4, 4735125), (5, 3788100), (6, 3156750), (9, 2104500), (10, 1894050), (12, 1578375), (15, 1262700), (18, 1052250), (20, 947025), (23, 823500), (25, 757620), (27, 701500), (30, 631350), (36, 526125), (45, 420900), (46, 411750), (50, 378810), (54, 350750), (60, 315675), (61, 310500), (69, 274500), (75, 252540), (90, 210450), (92, 205875), (100, 189405), (108, 175375), (115, 164700), (122, 155250), (125, 151524), (135, 140300), (138, 137250), (150, 126270), (180, 105225), (183, 103500), (207, 91500), (225, 84180), (230, 82350), (244, 77625), (250, 75762), (270, 70150), (276, 68625), (300, 63135), (305, 62100), (345, 54900), (366, 51750), (375, 50508), (414, 45750), (450, 42090), (460, 41175), (500, 37881), (540, 35075), (549, 34500), (575, 32940), (610, 31050), (621, 30500), (675, 28060), (690, 27450), (732, 25875), (750, 25254), (828, 22875), (900, 21045), (915, 20700), (1035, 18300), (1098, 17250), (1125, 16836), (1150, 16470), (1220, 15525), (1242, 15250), (1350, 14030), (1380, 13725), (1403, 13500), (1500, 12627), (1525, 12420), (1647, 11500), (1725, 10980), (1830, 10350), (2070, 9150), (2196, 8625), (2250, 8418), (2300, 8235), (2484, 7625), (2700, 7015), (2745, 6900), (2806, 6750), (2875, 6588), (3050, 6210), (3105, 6100), (3294, 5750), (3375, 5612), (3450, 5490), (3660, 5175), (4140, 4575), (4209, 4500)]