1920967568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{3049}}^1$

素因数の和:3316

約数の個数: 60

約数和(自身を含む): 4048820100

約数和(自身を除く): 2127852532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 233, 338, 466, 676, 932, 1352, 1864, 2704, 3029, 3049, 3728, 6058, 6098, 12116, 12196, 24232, 24392, 39377, 39637, 48464, 48784, 78754, 79274, 157508, 158548, 315016, 317096, 515281, 630032, 634192, 710417, 1030562, 1420834, 2061124, 2841668, 4122248, 5683336, 8244496, 9235421, 11366672, 18470842, 36941684, 73883368, 120060473, 147766736, 240120946, 480241892, 960483784, 1920967568]

約数ペア:

[(1, 1920967568), (2, 960483784), (4, 480241892), (8, 240120946), (13, 147766736), (16, 120060473), (26, 73883368), (52, 36941684), (104, 18470842), (169, 11366672), (208, 9235421), (233, 8244496), (338, 5683336), (466, 4122248), (676, 2841668), (932, 2061124), (1352, 1420834), (1864, 1030562), (2704, 710417), (3029, 634192), (3049, 630032), (3728, 515281), (6058, 317096), (6098, 315016), (12116, 158548), (12196, 157508), (24232, 79274), (24392, 78754), (39377, 48784), (39637, 48464)]