18888090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2591

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 32519910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2549, 3705, 5098, 7410, 7647, 12745, 15294, 25490, 33137, 38235, 48431, 66274, 76470, 96862, 99411, 145293, 165685, 198822, 242155, 290586, 331370, 484310, 497055, 629603, 726465, 994110, 1259206, 1452930, 1888809, 3148015, 3777618, 6296030, 9444045, 18888090]

約数ペア:

[(1, 18888090), (2, 9444045), (3, 6296030), (5, 3777618), (6, 3148015), (10, 1888809), (13, 1452930), (15, 1259206), (19, 994110), (26, 726465), (30, 629603), (38, 497055), (39, 484310), (57, 331370), (65, 290586), (78, 242155), (95, 198822), (114, 165685), (130, 145293), (190, 99411), (195, 96862), (247, 76470), (285, 66274), (390, 48431), (494, 38235), (570, 33137), (741, 25490), (1235, 15294), (1482, 12745), (2470, 7647), (2549, 7410), (3705, 5098)]