18741684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 32738892

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 37, 39, 51, 52, 68, 74, 78, 102, 111, 148, 156, 191, 204, 221, 222, 382, 442, 444, 481, 573, 629, 663, 764, 884, 962, 1146, 1258, 1326, 1443, 1887, 1924, 2292, 2483, 2516, 2652, 2886, 3247, 3774, 4966, 5772, 6494, 7067, 7449, 7548, 8177, 9741, 9932, 12988, 14134, 14898, 16354, 19482, 21201, 24531, 28268, 29796, 32708, 38964, 42211, 42402, 49062, 84422, 84804, 91871, 98124, 120139, 126633, 168844, 183742, 240278, 253266, 275613, 360417, 367484, 480556, 506532, 551226, 720834, 1102452, 1441668, 1561807, 3123614, 4685421, 6247228, 9370842, 18741684]

約数ペア:

[(1, 18741684), (2, 9370842), (3, 6247228), (4, 4685421), (6, 3123614), (12, 1561807), (13, 1441668), (17, 1102452), (26, 720834), (34, 551226), (37, 506532), (39, 480556), (51, 367484), (52, 360417), (68, 275613), (74, 253266), (78, 240278), (102, 183742), (111, 168844), (148, 126633), (156, 120139), (191, 98124), (204, 91871), (221, 84804), (222, 84422), (382, 49062), (442, 42402), (444, 42211), (481, 38964), (573, 32708), (629, 29796), (663, 28268), (764, 24531), (884, 21201), (962, 19482), (1146, 16354), (1258, 14898), (1326, 14134), (1443, 12988), (1887, 9932), (1924, 9741), (2292, 8177), (2483, 7548), (2516, 7449), (2652, 7067), (2886, 6494), (3247, 5772), (3774, 4966)]