18701340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6361}}^1$

素因数の和:6387

約数の個数: 72

約数和(自身を含む): 60922512

約数和(自身を除く): 42221172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6361, 12722, 19083, 25444, 31805, 38166, 44527, 63610, 76332, 89054, 95415, 127220, 133581, 178108, 190830, 222635, 267162, 311689, 381660, 445270, 534324, 623378, 667905, 890540, 935067, 1246756, 1335810, 1558445, 1870134, 2671620, 3116890, 3740268, 4675335, 6233780, 9350670, 18701340]

約数ペア:

[(1, 18701340), (2, 9350670), (3, 6233780), (4, 4675335), (5, 3740268), (6, 3116890), (7, 2671620), (10, 1870134), (12, 1558445), (14, 1335810), (15, 1246756), (20, 935067), (21, 890540), (28, 667905), (30, 623378), (35, 534324), (42, 445270), (49, 381660), (60, 311689), (70, 267162), (84, 222635), (98, 190830), (105, 178108), (140, 133581), (147, 127220), (196, 95415), (210, 89054), (245, 76332), (294, 63610), (420, 44527), (490, 38166), (588, 31805), (735, 25444), (980, 19083), (1470, 12722), (2940, 6361)]