18679736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7229}}^1$

素因数の和:7271

約数の個数: 32

約数和(自身を含む): 39042000

約数和(自身を除く): 20362264

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7229, 14458, 28916, 57832, 122893, 137351, 245786, 274702, 491572, 549404, 983144, 1098808, 2334967, 4669934, 9339868, 18679736]

約数ペア:

[(1, 18679736), (2, 9339868), (4, 4669934), (8, 2334967), (17, 1098808), (19, 983144), (34, 549404), (38, 491572), (68, 274702), (76, 245786), (136, 137351), (152, 122893), (323, 57832), (646, 28916), (1292, 14458), (2584, 7229)]