17860540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 40116384

約数和(自身を除く): 22255844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 401, 524, 655, 802, 1310, 1604, 2005, 2227, 2620, 4010, 4454, 6817, 8020, 8908, 11135, 13634, 22270, 27268, 34085, 44540, 52531, 68170, 105062, 136340, 210124, 262655, 525310, 893027, 1050620, 1786054, 3572108, 4465135, 8930270, 17860540]

約数ペア:

[(1, 17860540), (2, 8930270), (4, 4465135), (5, 3572108), (10, 1786054), (17, 1050620), (20, 893027), (34, 525310), (68, 262655), (85, 210124), (131, 136340), (170, 105062), (262, 68170), (340, 52531), (401, 44540), (524, 34085), (655, 27268), (802, 22270), (1310, 13634), (1604, 11135), (2005, 8908), (2227, 8020), (2620, 6817), (4010, 4454)]