18877040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2593}}^1$

素因数の和:2626

約数の個数: 80

約数和(自身を含む): 54038208

約数和(自身を除く): 35161168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2593, 3640, 5186, 7280, 10372, 12965, 18151, 20744, 25930, 33709, 36302, 41488, 51860, 67418, 72604, 90755, 103720, 134836, 145208, 168545, 181510, 207440, 235963, 269672, 290416, 337090, 363020, 471926, 539344, 674180, 726040, 943852, 1179815, 1348360, 1452080, 1887704, 2359630, 2696720, 3775408, 4719260, 9438520, 18877040]

約数ペア:

[(1, 18877040), (2, 9438520), (4, 4719260), (5, 3775408), (7, 2696720), (8, 2359630), (10, 1887704), (13, 1452080), (14, 1348360), (16, 1179815), (20, 943852), (26, 726040), (28, 674180), (35, 539344), (40, 471926), (52, 363020), (56, 337090), (65, 290416), (70, 269672), (80, 235963), (91, 207440), (104, 181510), (112, 168545), (130, 145208), (140, 134836), (182, 103720), (208, 90755), (260, 72604), (280, 67418), (364, 51860), (455, 41488), (520, 36302), (560, 33709), (728, 25930), (910, 20744), (1040, 18151), (1456, 12965), (1820, 10372), (2593, 7280), (3640, 5186)]