19543030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 21825290

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 170, 185, 221, 239, 370, 442, 478, 481, 629, 962, 1105, 1195, 1258, 2210, 2390, 2405, 3107, 3145, 4063, 4810, 6214, 6290, 8126, 8177, 8843, 15535, 16354, 17686, 20315, 31070, 40630, 40885, 44215, 52819, 81770, 88430, 105638, 114959, 150331, 229918, 264095, 300662, 528190, 574795, 751655, 1149590, 1503310, 1954303, 3908606, 9771515, 19543030]

約数ペア:

[(1, 19543030), (2, 9771515), (5, 3908606), (10, 1954303), (13, 1503310), (17, 1149590), (26, 751655), (34, 574795), (37, 528190), (65, 300662), (74, 264095), (85, 229918), (130, 150331), (170, 114959), (185, 105638), (221, 88430), (239, 81770), (370, 52819), (442, 44215), (478, 40885), (481, 40630), (629, 31070), (962, 20315), (1105, 17686), (1195, 16354), (1258, 15535), (2210, 8843), (2390, 8177), (2405, 8126), (3107, 6290), (3145, 6214), (4063, 4810)]