19915908

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 29617212

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 233, 419, 466, 699, 838, 932, 1257, 1398, 1676, 2514, 2796, 3961, 5028, 7123, 7922, 11883, 14246, 15844, 21369, 23766, 28492, 42738, 47532, 85476, 97627, 195254, 292881, 390508, 585762, 1171524, 1659659, 3319318, 4978977, 6638636, 9957954, 19915908]

約数ペア:

[(1, 19915908), (2, 9957954), (3, 6638636), (4, 4978977), (6, 3319318), (12, 1659659), (17, 1171524), (34, 585762), (51, 390508), (68, 292881), (102, 195254), (204, 97627), (233, 85476), (419, 47532), (466, 42738), (699, 28492), (838, 23766), (932, 21369), (1257, 15844), (1398, 14246), (1676, 11883), (2514, 7922), (2796, 7123), (3961, 5028)]