19770270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 51577344

約数和(自身を除く): 31807074

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 195, 311, 326, 390, 489, 622, 815, 933, 978, 1555, 1630, 1866, 2119, 2445, 3110, 4043, 4238, 4665, 4890, 6357, 8086, 9330, 10595, 12129, 12714, 20215, 21190, 24258, 31785, 40430, 50693, 60645, 63570, 101386, 121290, 152079, 253465, 304158, 506930, 659009, 760395, 1318018, 1520790, 1977027, 3295045, 3954054, 6590090, 9885135, 19770270]

約数ペア:

[(1, 19770270), (2, 9885135), (3, 6590090), (5, 3954054), (6, 3295045), (10, 1977027), (13, 1520790), (15, 1318018), (26, 760395), (30, 659009), (39, 506930), (65, 304158), (78, 253465), (130, 152079), (163, 121290), (195, 101386), (311, 63570), (326, 60645), (390, 50693), (489, 40430), (622, 31785), (815, 24258), (933, 21190), (978, 20215), (1555, 12714), (1630, 12129), (1866, 10595), (2119, 9330), (2445, 8086), (3110, 6357), (4043, 4890), (4238, 4665)]