18723460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7867}}^1$

素因数の和:7900

約数の個数: 48

約数和(自身を含む): 47585664

約数和(自身を除く): 28862204

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7867, 15734, 31468, 39335, 55069, 78670, 110138, 133739, 157340, 220276, 267478, 275345, 534956, 550690, 668695, 936173, 1101380, 1337390, 1872346, 2674780, 3744692, 4680865, 9361730, 18723460]

約数ペア:

[(1, 18723460), (2, 9361730), (4, 4680865), (5, 3744692), (7, 2674780), (10, 1872346), (14, 1337390), (17, 1101380), (20, 936173), (28, 668695), (34, 550690), (35, 534956), (68, 275345), (70, 267478), (85, 220276), (119, 157340), (140, 133739), (170, 110138), (238, 78670), (340, 55069), (476, 39335), (595, 31468), (1190, 15734), (2380, 7867)]