19459700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14969}}^1$

素因数の和:14996

約数の個数: 36

約数和(自身を含む): 45478860

約数和(自身を除く): 26019160

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14969, 29938, 59876, 74845, 149690, 194597, 299380, 374225, 389194, 748450, 778388, 972985, 1496900, 1945970, 3891940, 4864925, 9729850, 19459700]

約数ペア:

[(1, 19459700), (2, 9729850), (4, 4864925), (5, 3891940), (10, 1945970), (13, 1496900), (20, 972985), (25, 778388), (26, 748450), (50, 389194), (52, 374225), (65, 299380), (100, 194597), (130, 149690), (260, 74845), (325, 59876), (650, 29938), (1300, 14969)]