18001360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 29495600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 911, 988, 1040, 1235, 1520, 1822, 1976, 2470, 3644, 3952, 4555, 4940, 7288, 9110, 9880, 11843, 14576, 17309, 18220, 19760, 23686, 34618, 36440, 47372, 59215, 69236, 72880, 86545, 94744, 118430, 138472, 173090, 189488, 225017, 236860, 276944, 346180, 450034, 473720, 692360, 900068, 947440, 1125085, 1384720, 1800136, 2250170, 3600272, 4500340, 9000680, 18001360]

約数ペア:

[(1, 18001360), (2, 9000680), (4, 4500340), (5, 3600272), (8, 2250170), (10, 1800136), (13, 1384720), (16, 1125085), (19, 947440), (20, 900068), (26, 692360), (38, 473720), (40, 450034), (52, 346180), (65, 276944), (76, 236860), (80, 225017), (95, 189488), (104, 173090), (130, 138472), (152, 118430), (190, 94744), (208, 86545), (247, 72880), (260, 69236), (304, 59215), (380, 47372), (494, 36440), (520, 34618), (760, 23686), (911, 19760), (988, 18220), (1040, 17309), (1235, 14576), (1520, 11843), (1822, 9880), (1976, 9110), (2470, 7288), (3644, 4940), (3952, 4555)]