19277440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 56891520

約数和(自身を除く): 37614080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 331, 364, 416, 448, 455, 520, 560, 640, 662, 728, 832, 896, 910, 1040, 1120, 1324, 1456, 1655, 1664, 1820, 2080, 2240, 2317, 2648, 2912, 3310, 3640, 4160, 4303, 4480, 4634, 5296, 5824, 6620, 7280, 8320, 8606, 9268, 10592, 11585, 11648, 13240, 14560, 17212, 18536, 21184, 21515, 23170, 26480, 29120, 30121, 34424, 37072, 42368, 43030, 46340, 52960, 58240, 60242, 68848, 74144, 86060, 92680, 105920, 120484, 137696, 148288, 150605, 172120, 185360, 211840, 240968, 275392, 296576, 301210, 344240, 370720, 481936, 550784, 602420, 688480, 741440, 963872, 1204840, 1376960, 1482880, 1927744, 2409680, 2753920, 3855488, 4819360, 9638720, 19277440]

約数ペア:

[(1, 19277440), (2, 9638720), (4, 4819360), (5, 3855488), (7, 2753920), (8, 2409680), (10, 1927744), (13, 1482880), (14, 1376960), (16, 1204840), (20, 963872), (26, 741440), (28, 688480), (32, 602420), (35, 550784), (40, 481936), (52, 370720), (56, 344240), (64, 301210), (65, 296576), (70, 275392), (80, 240968), (91, 211840), (104, 185360), (112, 172120), (128, 150605), (130, 148288), (140, 137696), (160, 120484), (182, 105920), (208, 92680), (224, 86060), (260, 74144), (280, 68848), (320, 60242), (331, 58240), (364, 52960), (416, 46340), (448, 43030), (455, 42368), (520, 37072), (560, 34424), (640, 30121), (662, 29120), (728, 26480), (832, 23170), (896, 21515), (910, 21184), (1040, 18536), (1120, 17212), (1324, 14560), (1456, 13240), (1655, 11648), (1664, 11585), (1820, 10592), (2080, 9268), (2240, 8606), (2317, 8320), (2648, 7280), (2912, 6620), (3310, 5824), (3640, 5296), (4160, 4634), (4303, 4480)]