18789012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2791}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 54879552

約数和(自身を除く): 36090540

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 2791, 3366, 5582, 6732, 8373, 11164, 16746, 25119, 30701, 33492, 47447, 50238, 61402, 92103, 94894, 100476, 122804, 142341, 184206, 189788, 276309, 284682, 368412, 427023, 521917, 552618, 569364, 854046, 1043834, 1105236, 1565751, 1708092, 2087668, 3131502, 4697253, 6263004, 9394506, 18789012]

約数ペア:

[(1, 18789012), (2, 9394506), (3, 6263004), (4, 4697253), (6, 3131502), (9, 2087668), (11, 1708092), (12, 1565751), (17, 1105236), (18, 1043834), (22, 854046), (33, 569364), (34, 552618), (36, 521917), (44, 427023), (51, 368412), (66, 284682), (68, 276309), (99, 189788), (102, 184206), (132, 142341), (153, 122804), (187, 100476), (198, 94894), (204, 92103), (306, 61402), (374, 50238), (396, 47447), (561, 33492), (612, 30701), (748, 25119), (1122, 16746), (1683, 11164), (2244, 8373), (2791, 6732), (3366, 5582)]