18647460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 108

約数和(自身を含む): 61349652

約数和(自身を除く): 42702192

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 613, 676, 780, 845, 1014, 1170, 1226, 1521, 1690, 1839, 2028, 2340, 2452, 2535, 3042, 3065, 3380, 3678, 5070, 5517, 6084, 6130, 7356, 7605, 7969, 9195, 10140, 11034, 12260, 15210, 15938, 18390, 22068, 23907, 27585, 30420, 31876, 36780, 39845, 47814, 55170, 71721, 79690, 95628, 103597, 110340, 119535, 143442, 159380, 207194, 239070, 286884, 310791, 358605, 414388, 478140, 517985, 621582, 717210, 932373, 1035970, 1243164, 1434420, 1553955, 1864746, 2071940, 3107910, 3729492, 4661865, 6215820, 9323730, 18647460]

約数ペア:

[(1, 18647460), (2, 9323730), (3, 6215820), (4, 4661865), (5, 3729492), (6, 3107910), (9, 2071940), (10, 1864746), (12, 1553955), (13, 1434420), (15, 1243164), (18, 1035970), (20, 932373), (26, 717210), (30, 621582), (36, 517985), (39, 478140), (45, 414388), (52, 358605), (60, 310791), (65, 286884), (78, 239070), (90, 207194), (117, 159380), (130, 143442), (156, 119535), (169, 110340), (180, 103597), (195, 95628), (234, 79690), (260, 71721), (338, 55170), (390, 47814), (468, 39845), (507, 36780), (585, 31876), (613, 30420), (676, 27585), (780, 23907), (845, 22068), (1014, 18390), (1170, 15938), (1226, 15210), (1521, 12260), (1690, 11034), (1839, 10140), (2028, 9195), (2340, 7969), (2452, 7605), (2535, 7356), (3042, 6130), (3065, 6084), (3380, 5517), (3678, 5070)]