18765110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 44053632

約数和(自身を除く): 25288522

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1213, 1547, 2210, 2426, 3094, 6065, 7735, 8491, 12130, 15470, 15769, 16982, 20621, 31538, 41242, 42455, 78845, 84910, 103105, 110383, 144347, 157690, 206210, 220766, 268073, 288694, 536146, 551915, 721735, 1103830, 1340365, 1443470, 1876511, 2680730, 3753022, 9382555, 18765110]

約数ペア:

[(1, 18765110), (2, 9382555), (5, 3753022), (7, 2680730), (10, 1876511), (13, 1443470), (14, 1340365), (17, 1103830), (26, 721735), (34, 551915), (35, 536146), (65, 288694), (70, 268073), (85, 220766), (91, 206210), (119, 157690), (130, 144347), (170, 110383), (182, 103105), (221, 84910), (238, 78845), (442, 42455), (455, 41242), (595, 31538), (910, 20621), (1105, 16982), (1190, 15769), (1213, 15470), (1547, 12130), (2210, 8491), (2426, 7735), (3094, 6065)]