19562920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2254

約数の個数: 64

約数和(自身を含む): 50213520

約数和(自身を除く): 30650600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2213, 4420, 4426, 8840, 8852, 11065, 17704, 22130, 28769, 37621, 44260, 57538, 75242, 88520, 115076, 143845, 150484, 188105, 230152, 287690, 300968, 376210, 489073, 575380, 752420, 978146, 1150760, 1504840, 1956292, 2445365, 3912584, 4890730, 9781460, 19562920]

約数ペア:

[(1, 19562920), (2, 9781460), (4, 4890730), (5, 3912584), (8, 2445365), (10, 1956292), (13, 1504840), (17, 1150760), (20, 978146), (26, 752420), (34, 575380), (40, 489073), (52, 376210), (65, 300968), (68, 287690), (85, 230152), (104, 188105), (130, 150484), (136, 143845), (170, 115076), (221, 88520), (260, 75242), (340, 57538), (442, 44260), (520, 37621), (680, 28769), (884, 22130), (1105, 17704), (1768, 11065), (2210, 8852), (2213, 8840), (4420, 4426)]