18975450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 52246656

約数和(自身を除く): 33271206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 37, 39, 50, 65, 74, 75, 78, 111, 130, 150, 185, 195, 222, 263, 325, 370, 390, 481, 526, 555, 650, 789, 925, 962, 975, 1110, 1315, 1443, 1578, 1850, 1950, 2405, 2630, 2775, 2886, 3419, 3945, 4810, 5550, 6575, 6838, 7215, 7890, 9731, 10257, 12025, 13150, 14430, 17095, 19462, 19725, 20514, 24050, 29193, 34190, 36075, 39450, 48655, 51285, 58386, 72150, 85475, 97310, 102570, 126503, 145965, 170950, 243275, 253006, 256425, 291930, 379509, 486550, 512850, 632515, 729825, 759018, 1265030, 1459650, 1897545, 3162575, 3795090, 6325150, 9487725, 18975450]

約数ペア:

[(1, 18975450), (2, 9487725), (3, 6325150), (5, 3795090), (6, 3162575), (10, 1897545), (13, 1459650), (15, 1265030), (25, 759018), (26, 729825), (30, 632515), (37, 512850), (39, 486550), (50, 379509), (65, 291930), (74, 256425), (75, 253006), (78, 243275), (111, 170950), (130, 145965), (150, 126503), (185, 102570), (195, 97310), (222, 85475), (263, 72150), (325, 58386), (370, 51285), (390, 48655), (481, 39450), (526, 36075), (555, 34190), (650, 29193), (789, 24050), (925, 20514), (962, 19725), (975, 19462), (1110, 17095), (1315, 14430), (1443, 13150), (1578, 12025), (1850, 10257), (1950, 9731), (2405, 7890), (2630, 7215), (2775, 6838), (2886, 6575), (3419, 5550), (3945, 4810)]