19968156790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2800583}}^1$

素因数の和:2800644

約数の個数: 32

約数和(自身を含む): 38715273216

約数和(自身を除く): 18747116426

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 2800583, 5601166, 14002915, 28005830, 64413409, 86818073, 128826818, 173636146, 322067045, 434090365, 644134090, 868180730, 1996815679, 3993631358, 9984078395, 19968156790]

約数ペア:

[(1, 19968156790), (2, 9984078395), (5, 3993631358), (10, 1996815679), (23, 868180730), (31, 644134090), (46, 434090365), (62, 322067045), (115, 173636146), (155, 128826818), (230, 86818073), (310, 64413409), (713, 28005830), (1426, 14002915), (3565, 5601166), (7130, 2800583)]