19991358

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12479}}^1$

素因数の和:12576

約数の個数: 24

約数和(自身を含む): 43804800

約数和(自身を除く): 23813442

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12479, 24958, 37437, 74874, 112311, 224622, 1110631, 2221262, 3331893, 6663786, 9995679, 19991358]

約数ペア:

[(1, 19991358), (2, 9995679), (3, 6663786), (6, 3331893), (9, 2221262), (18, 1110631), (89, 224622), (178, 112311), (267, 74874), (534, 37437), (801, 24958), (1602, 12479)]