19627140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25163}}^1$

素因数の和:25188

約数の個数: 48

約数和(自身を含む): 59185728

約数和(自身を除く): 39558588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25163, 50326, 75489, 100652, 125815, 150978, 251630, 301956, 327119, 377445, 503260, 654238, 754890, 981357, 1308476, 1509780, 1635595, 1962714, 3271190, 3925428, 4906785, 6542380, 9813570, 19627140]

約数ペア:

[(1, 19627140), (2, 9813570), (3, 6542380), (4, 4906785), (5, 3925428), (6, 3271190), (10, 1962714), (12, 1635595), (13, 1509780), (15, 1308476), (20, 981357), (26, 754890), (30, 654238), (39, 503260), (52, 377445), (60, 327119), (65, 301956), (78, 251630), (130, 150978), (156, 125815), (195, 100652), (260, 75489), (390, 50326), (780, 25163)]