19895044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 19618556

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 79, 116, 158, 167, 316, 334, 377, 668, 754, 1027, 1508, 2054, 2171, 2291, 4108, 4342, 4582, 4843, 8684, 9164, 9686, 13193, 19372, 26386, 29783, 52772, 59566, 62959, 119132, 125918, 171509, 251836, 343018, 382597, 686036, 765194, 1530388, 4973761, 9947522, 19895044]

約数ペア:

[(1, 19895044), (2, 9947522), (4, 4973761), (13, 1530388), (26, 765194), (29, 686036), (52, 382597), (58, 343018), (79, 251836), (116, 171509), (158, 125918), (167, 119132), (316, 62959), (334, 59566), (377, 52772), (668, 29783), (754, 26386), (1027, 19372), (1508, 13193), (2054, 9686), (2171, 9164), (2291, 8684), (4108, 4843), (4342, 4582)]