19395416560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18649439}}^1$

素因数の和:18649465

約数の個数: 40

約数和(自身を含む): 48563141760

約数和(自身を除く): 29167725200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18649439, 37298878, 74597756, 93247195, 149195512, 186494390, 242442707, 298391024, 372988780, 484885414, 745977560, 969770828, 1212213535, 1491955120, 1939541656, 2424427070, 3879083312, 4848854140, 9697708280, 19395416560]

約数ペア:

[(1, 19395416560), (2, 9697708280), (4, 4848854140), (5, 3879083312), (8, 2424427070), (10, 1939541656), (13, 1491955120), (16, 1212213535), (20, 969770828), (26, 745977560), (40, 484885414), (52, 372988780), (65, 298391024), (80, 242442707), (104, 186494390), (130, 149195512), (208, 93247195), (260, 74597756), (520, 37298878), (1040, 18649439)]