19428840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1907

約数の個数: 96

約数和(自身を含む): 65356200

約数和(自身を除く): 45927360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 1861, 2088, 2610, 3480, 3722, 5220, 5583, 7444, 9305, 10440, 11166, 14888, 16749, 18610, 22332, 27915, 33498, 37220, 44664, 53969, 55830, 66996, 74440, 83745, 107938, 111660, 133992, 161907, 167490, 215876, 223320, 269845, 323814, 334980, 431752, 485721, 539690, 647628, 669960, 809535, 971442, 1079380, 1295256, 1619070, 1942884, 2158760, 2428605, 3238140, 3885768, 4857210, 6476280, 9714420, 19428840]

約数ペア:

[(1, 19428840), (2, 9714420), (3, 6476280), (4, 4857210), (5, 3885768), (6, 3238140), (8, 2428605), (9, 2158760), (10, 1942884), (12, 1619070), (15, 1295256), (18, 1079380), (20, 971442), (24, 809535), (29, 669960), (30, 647628), (36, 539690), (40, 485721), (45, 431752), (58, 334980), (60, 323814), (72, 269845), (87, 223320), (90, 215876), (116, 167490), (120, 161907), (145, 133992), (174, 111660), (180, 107938), (232, 83745), (261, 74440), (290, 66996), (348, 55830), (360, 53969), (435, 44664), (522, 37220), (580, 33498), (696, 27915), (870, 22332), (1044, 18610), (1160, 16749), (1305, 14888), (1740, 11166), (1861, 10440), (2088, 9305), (2610, 7444), (3480, 5583), (3722, 5220)]