18645697720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1156681}}^1$

素因数の和:1156736

約数の個数: 64

約数和(自身を含む): 46637418240

約数和(自身を除く): 27991720520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 1156681, 2313362, 4626724, 5783405, 9253448, 11566810, 15036853, 23133620, 30073706, 35857111, 46267240, 60147412, 71714222, 75184265, 120294824, 143428444, 150368530, 179285555, 286856888, 300737060, 358571110, 466142443, 601474120, 717142220, 932284886, 1434284440, 1864569772, 2330712215, 3729139544, 4661424430, 9322848860, 18645697720]

約数ペア:

[(1, 18645697720), (2, 9322848860), (4, 4661424430), (5, 3729139544), (8, 2330712215), (10, 1864569772), (13, 1434284440), (20, 932284886), (26, 717142220), (31, 601474120), (40, 466142443), (52, 358571110), (62, 300737060), (65, 286856888), (104, 179285555), (124, 150368530), (130, 143428444), (155, 120294824), (248, 75184265), (260, 71714222), (310, 60147412), (403, 46267240), (520, 35857111), (620, 30073706), (806, 23133620), (1240, 15036853), (1612, 11566810), (2015, 9253448), (3224, 5783405), (4030, 4626724), (8060, 2313362), (16120, 1156681)]