19880248

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 39124800

約数和(自身を除く): 19244552

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1429, 1739, 2858, 3478, 5716, 6956, 11432, 13912, 52873, 67163, 105746, 134326, 211492, 268652, 422984, 537304, 2485031, 4970062, 9940124, 19880248]

約数ペア:

[(1, 19880248), (2, 9940124), (4, 4970062), (8, 2485031), (37, 537304), (47, 422984), (74, 268652), (94, 211492), (148, 134326), (188, 105746), (296, 67163), (376, 52873), (1429, 13912), (1739, 11432), (2858, 6956), (3478, 5716)]