12500708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 25219152

約数和(自身を除く): 12718444

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 787, 836, 1444, 1574, 3148, 3971, 7942, 8657, 14953, 15884, 17314, 29906, 34628, 59812, 164483, 284107, 328966, 568214, 657932, 1136428, 3125177, 6250354, 12500708]

約数ペア:

[(1, 12500708), (2, 6250354), (4, 3125177), (11, 1136428), (19, 657932), (22, 568214), (38, 328966), (44, 284107), (76, 164483), (209, 59812), (361, 34628), (418, 29906), (722, 17314), (787, 15884), (836, 14953), (1444, 8657), (1574, 7942), (3148, 3971)]