18318636

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 56349216

約数和(自身を除く): 38030580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 81, 82, 84, 108, 123, 126, 162, 164, 189, 197, 246, 252, 287, 324, 369, 378, 394, 492, 567, 574, 591, 738, 756, 788, 861, 1107, 1134, 1148, 1182, 1379, 1476, 1722, 1773, 2214, 2268, 2364, 2583, 2758, 3321, 3444, 3546, 4137, 4428, 5166, 5319, 5516, 6642, 7092, 7749, 8077, 8274, 10332, 10638, 12411, 13284, 15498, 15957, 16154, 16548, 21276, 23247, 24231, 24822, 30996, 31914, 32308, 37233, 46494, 48462, 49644, 56539, 63828, 72693, 74466, 92988, 96924, 111699, 113078, 145386, 148932, 169617, 218079, 223398, 226156, 290772, 339234, 436158, 446796, 508851, 654237, 678468, 872316, 1017702, 1308474, 1526553, 2035404, 2616948, 3053106, 4579659, 6106212, 9159318, 18318636]

約数ペア:

[(1, 18318636), (2, 9159318), (3, 6106212), (4, 4579659), (6, 3053106), (7, 2616948), (9, 2035404), (12, 1526553), (14, 1308474), (18, 1017702), (21, 872316), (27, 678468), (28, 654237), (36, 508851), (41, 446796), (42, 436158), (54, 339234), (63, 290772), (81, 226156), (82, 223398), (84, 218079), (108, 169617), (123, 148932), (126, 145386), (162, 113078), (164, 111699), (189, 96924), (197, 92988), (246, 74466), (252, 72693), (287, 63828), (324, 56539), (369, 49644), (378, 48462), (394, 46494), (492, 37233), (567, 32308), (574, 31914), (591, 30996), (738, 24822), (756, 24231), (788, 23247), (861, 21276), (1107, 16548), (1134, 16154), (1148, 15957), (1182, 15498), (1379, 13284), (1476, 12411), (1722, 10638), (1773, 10332), (2214, 8274), (2268, 8077), (2364, 7749), (2583, 7092), (2758, 6642), (3321, 5516), (3444, 5319), (3546, 5166), (4137, 4428)]