19037920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 50893920

約数和(自身を除く): 31856000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 145, 160, 176, 220, 232, 290, 319, 352, 373, 440, 464, 580, 638, 746, 880, 928, 1160, 1276, 1492, 1595, 1760, 1865, 2320, 2552, 2984, 3190, 3730, 4103, 4640, 5104, 5968, 6380, 7460, 8206, 10208, 10817, 11936, 12760, 14920, 16412, 20515, 21634, 25520, 29840, 32824, 41030, 43268, 51040, 54085, 59680, 65648, 82060, 86536, 108170, 118987, 131296, 164120, 173072, 216340, 237974, 328240, 346144, 432680, 475948, 594935, 656480, 865360, 951896, 1189870, 1730720, 1903792, 2379740, 3807584, 4759480, 9518960, 19037920]

約数ペア:

[(1, 19037920), (2, 9518960), (4, 4759480), (5, 3807584), (8, 2379740), (10, 1903792), (11, 1730720), (16, 1189870), (20, 951896), (22, 865360), (29, 656480), (32, 594935), (40, 475948), (44, 432680), (55, 346144), (58, 328240), (80, 237974), (88, 216340), (110, 173072), (116, 164120), (145, 131296), (160, 118987), (176, 108170), (220, 86536), (232, 82060), (290, 65648), (319, 59680), (352, 54085), (373, 51040), (440, 43268), (464, 41030), (580, 32824), (638, 29840), (746, 25520), (880, 21634), (928, 20515), (1160, 16412), (1276, 14920), (1492, 12760), (1595, 11936), (1760, 10817), (1865, 10208), (2320, 8206), (2552, 7460), (2984, 6380), (3190, 5968), (3730, 5104), (4103, 4640)]