16189940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 37159248

約数和(自身を除く): 20969308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 853, 949, 1460, 1706, 1898, 3412, 3796, 4265, 4745, 8530, 9490, 11089, 17060, 18980, 22178, 44356, 55445, 62269, 110890, 124538, 221780, 249076, 311345, 622690, 809497, 1245380, 1618994, 3237988, 4047485, 8094970, 16189940]

約数ペア:

[(1, 16189940), (2, 8094970), (4, 4047485), (5, 3237988), (10, 1618994), (13, 1245380), (20, 809497), (26, 622690), (52, 311345), (65, 249076), (73, 221780), (130, 124538), (146, 110890), (260, 62269), (292, 55445), (365, 44356), (730, 22178), (853, 18980), (949, 17060), (1460, 11089), (1706, 9490), (1898, 8530), (3412, 4745), (3796, 4265)]