19680152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3911}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 40137120

約数和(自身を除く): 20456968

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 3911, 5032, 7822, 15644, 31288, 66487, 132974, 144707, 265948, 289414, 531896, 578828, 1157656, 2460019, 4920038, 9840076, 19680152]

約数ペア:

[(1, 19680152), (2, 9840076), (4, 4920038), (8, 2460019), (17, 1157656), (34, 578828), (37, 531896), (68, 289414), (74, 265948), (136, 144707), (148, 132974), (296, 66487), (629, 31288), (1258, 15644), (2516, 7822), (3911, 5032)]