19917432

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9539}}^1$

素因数の和:9580

約数の個数: 48

約数和(自身を含む): 55809000

約数和(自身を除く): 35891568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9539, 19078, 28617, 38156, 57234, 76312, 85851, 114468, 171702, 228936, 276631, 343404, 553262, 686808, 829893, 1106524, 1659786, 2213048, 2489679, 3319572, 4979358, 6639144, 9958716, 19917432]

約数ペア:

[(1, 19917432), (2, 9958716), (3, 6639144), (4, 4979358), (6, 3319572), (8, 2489679), (9, 2213048), (12, 1659786), (18, 1106524), (24, 829893), (29, 686808), (36, 553262), (58, 343404), (72, 276631), (87, 228936), (116, 171702), (174, 114468), (232, 85851), (261, 76312), (348, 57234), (522, 38156), (696, 28617), (1044, 19078), (2088, 9539)]