19841720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29179}}^1$

素因数の和:29207

約数の個数: 32

約数和(自身を含む): 47271600

約数和(自身を除く): 27429880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29179, 58358, 116716, 145895, 233432, 291790, 496043, 583580, 992086, 1167160, 1984172, 2480215, 3968344, 4960430, 9920860, 19841720]

約数ペア:

[(1, 19841720), (2, 9920860), (4, 4960430), (5, 3968344), (8, 2480215), (10, 1984172), (17, 1167160), (20, 992086), (34, 583580), (40, 496043), (68, 291790), (85, 233432), (136, 145895), (170, 116716), (340, 58358), (680, 29179)]