1898988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 5720064

約数和(自身を除く): 3821076

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 47, 52, 74, 78, 84, 91, 94, 111, 141, 148, 156, 182, 188, 222, 259, 273, 282, 329, 364, 444, 481, 518, 546, 564, 611, 658, 777, 962, 987, 1036, 1092, 1222, 1316, 1443, 1554, 1739, 1833, 1924, 1974, 2444, 2886, 3108, 3367, 3478, 3666, 3948, 4277, 5217, 5772, 6734, 6956, 7332, 8554, 10101, 10434, 12173, 12831, 13468, 17108, 20202, 20868, 22607, 24346, 25662, 36519, 40404, 45214, 48692, 51324, 67821, 73038, 90428, 135642, 146076, 158249, 271284, 316498, 474747, 632996, 949494, 1898988]

約数ペア:

[(1, 1898988), (2, 949494), (3, 632996), (4, 474747), (6, 316498), (7, 271284), (12, 158249), (13, 146076), (14, 135642), (21, 90428), (26, 73038), (28, 67821), (37, 51324), (39, 48692), (42, 45214), (47, 40404), (52, 36519), (74, 25662), (78, 24346), (84, 22607), (91, 20868), (94, 20202), (111, 17108), (141, 13468), (148, 12831), (156, 12173), (182, 10434), (188, 10101), (222, 8554), (259, 7332), (273, 6956), (282, 6734), (329, 5772), (364, 5217), (444, 4277), (481, 3948), (518, 3666), (546, 3478), (564, 3367), (611, 3108), (658, 2886), (777, 2444), (962, 1974), (987, 1924), (1036, 1833), (1092, 1739), (1222, 1554), (1316, 1443)]