17739920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 47407680

約数和(自身を除く): 29667760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1061, 1520, 1672, 2090, 2122, 3344, 4180, 4244, 5305, 8360, 8488, 10610, 11671, 16720, 16976, 20159, 21220, 23342, 40318, 42440, 46684, 58355, 80636, 84880, 93368, 100795, 116710, 161272, 186736, 201590, 221749, 233420, 322544, 403180, 443498, 466840, 806360, 886996, 933680, 1108745, 1612720, 1773992, 2217490, 3547984, 4434980, 8869960, 17739920]

約数ペア:

[(1, 17739920), (2, 8869960), (4, 4434980), (5, 3547984), (8, 2217490), (10, 1773992), (11, 1612720), (16, 1108745), (19, 933680), (20, 886996), (22, 806360), (38, 466840), (40, 443498), (44, 403180), (55, 322544), (76, 233420), (80, 221749), (88, 201590), (95, 186736), (110, 161272), (152, 116710), (176, 100795), (190, 93368), (209, 84880), (220, 80636), (304, 58355), (380, 46684), (418, 42440), (440, 40318), (760, 23342), (836, 21220), (880, 20159), (1045, 16976), (1061, 16720), (1520, 11671), (1672, 10610), (2090, 8488), (2122, 8360), (3344, 5305), (4180, 4244)]