919801970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{210481}}^1$

素因数の和:210530

約数の個数: 32

約数和(自身を含む): 1818564480

約数和(自身を除く): 898762510

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 210481, 420962, 1052405, 2104810, 3999139, 4841063, 7998278, 9682126, 19995695, 24205315, 39991390, 48410630, 91980197, 183960394, 459900985, 919801970]

約数ペア:

[(1, 919801970), (2, 459900985), (5, 183960394), (10, 91980197), (19, 48410630), (23, 39991390), (38, 24205315), (46, 19995695), (95, 9682126), (115, 7998278), (190, 4841063), (230, 3999139), (437, 2104810), (874, 1052405), (2185, 420962), (4370, 210481)]