18974760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{461}}^1$

素因数の和:496

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 47553240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 461, 490, 588, 686, 735, 840, 922, 980, 1029, 1176, 1372, 1383, 1470, 1715, 1844, 1960, 2058, 2305, 2744, 2766, 2940, 3227, 3430, 3688, 4116, 4610, 5145, 5532, 5880, 6454, 6860, 6915, 8232, 9220, 9681, 10290, 11064, 12908, 13720, 13830, 16135, 18440, 19362, 20580, 22589, 25816, 27660, 32270, 38724, 41160, 45178, 48405, 55320, 64540, 67767, 77448, 90356, 96810, 112945, 129080, 135534, 158123, 180712, 193620, 225890, 271068, 316246, 338835, 387240, 451780, 474369, 542136, 632492, 677670, 790615, 903560, 948738, 1264984, 1355340, 1581230, 1897476, 2371845, 2710680, 3162460, 3794952, 4743690, 6324920, 9487380, 18974760]

約数ペア:

[(1, 18974760), (2, 9487380), (3, 6324920), (4, 4743690), (5, 3794952), (6, 3162460), (7, 2710680), (8, 2371845), (10, 1897476), (12, 1581230), (14, 1355340), (15, 1264984), (20, 948738), (21, 903560), (24, 790615), (28, 677670), (30, 632492), (35, 542136), (40, 474369), (42, 451780), (49, 387240), (56, 338835), (60, 316246), (70, 271068), (84, 225890), (98, 193620), (105, 180712), (120, 158123), (140, 135534), (147, 129080), (168, 112945), (196, 96810), (210, 90356), (245, 77448), (280, 67767), (294, 64540), (343, 55320), (392, 48405), (420, 45178), (461, 41160), (490, 38724), (588, 32270), (686, 27660), (735, 25816), (840, 22589), (922, 20580), (980, 19362), (1029, 18440), (1176, 16135), (1372, 13830), (1383, 13720), (1470, 12908), (1715, 11064), (1844, 10290), (1960, 9681), (2058, 9220), (2305, 8232), (2744, 6915), (2766, 6860), (2940, 6454), (3227, 5880), (3430, 5532), (3688, 5145), (4116, 4610)]