18640350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 72

約数和(自身を含む): 52286832

約数和(自身を除く): 33646482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 1801, 2070, 3450, 3602, 5175, 5403, 9005, 10350, 10806, 16209, 18010, 27015, 32418, 41423, 45025, 54030, 81045, 82846, 90050, 124269, 135075, 162090, 207115, 248538, 270150, 372807, 405225, 414230, 621345, 745614, 810450, 1035575, 1242690, 1864035, 2071150, 3106725, 3728070, 6213450, 9320175, 18640350]

約数ペア:

[(1, 18640350), (2, 9320175), (3, 6213450), (5, 3728070), (6, 3106725), (9, 2071150), (10, 1864035), (15, 1242690), (18, 1035575), (23, 810450), (25, 745614), (30, 621345), (45, 414230), (46, 405225), (50, 372807), (69, 270150), (75, 248538), (90, 207115), (115, 162090), (138, 135075), (150, 124269), (207, 90050), (225, 82846), (230, 81045), (345, 54030), (414, 45025), (450, 41423), (575, 32418), (690, 27015), (1035, 18010), (1150, 16209), (1725, 10806), (1801, 10350), (2070, 9005), (3450, 5403), (3602, 5175)]