19230640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 53840304

約数和(自身を除く): 34609664

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 41, 44, 52, 55, 65, 80, 82, 88, 104, 110, 130, 143, 164, 176, 205, 208, 220, 260, 286, 328, 410, 440, 451, 520, 533, 572, 656, 715, 820, 880, 902, 1040, 1066, 1144, 1430, 1640, 1681, 1804, 2132, 2255, 2288, 2665, 2860, 3280, 3362, 3608, 4264, 4510, 5330, 5720, 5863, 6724, 7216, 8405, 8528, 9020, 10660, 11440, 11726, 13448, 16810, 18040, 18491, 21320, 21853, 23452, 26896, 29315, 33620, 36080, 36982, 42640, 43706, 46904, 58630, 67240, 73964, 87412, 92455, 93808, 109265, 117260, 134480, 147928, 174824, 184910, 218530, 234520, 240383, 295856, 349648, 369820, 437060, 469040, 480766, 739640, 874120, 961532, 1201915, 1479280, 1748240, 1923064, 2403830, 3846128, 4807660, 9615320, 19230640]

約数ペア:

[(1, 19230640), (2, 9615320), (4, 4807660), (5, 3846128), (8, 2403830), (10, 1923064), (11, 1748240), (13, 1479280), (16, 1201915), (20, 961532), (22, 874120), (26, 739640), (40, 480766), (41, 469040), (44, 437060), (52, 369820), (55, 349648), (65, 295856), (80, 240383), (82, 234520), (88, 218530), (104, 184910), (110, 174824), (130, 147928), (143, 134480), (164, 117260), (176, 109265), (205, 93808), (208, 92455), (220, 87412), (260, 73964), (286, 67240), (328, 58630), (410, 46904), (440, 43706), (451, 42640), (520, 36982), (533, 36080), (572, 33620), (656, 29315), (715, 26896), (820, 23452), (880, 21853), (902, 21320), (1040, 18491), (1066, 18040), (1144, 16810), (1430, 13448), (1640, 11726), (1681, 11440), (1804, 10660), (2132, 9020), (2255, 8528), (2288, 8405), (2665, 7216), (2860, 6724), (3280, 5863), (3362, 5720), (3608, 5330), (4264, 4510)]