201919312

素因数分解:

$2^4\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2663}}^1$

素因数の和:3355

約数の個数: 40

約数和(自身を含む): 447935616

約数和(自身を除く): 246016304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 677, 1354, 2663, 2708, 4739, 5326, 5416, 9478, 10652, 10832, 18641, 18956, 21304, 37282, 37912, 42608, 74564, 75824, 149128, 298256, 1802851, 3605702, 7211404, 12619957, 14422808, 25239914, 28845616, 50479828, 100959656, 201919312]

約数ペア:

[(1, 201919312), (2, 100959656), (4, 50479828), (7, 28845616), (8, 25239914), (14, 14422808), (16, 12619957), (28, 7211404), (56, 3605702), (112, 1802851), (677, 298256), (1354, 149128), (2663, 75824), (2708, 74564), (4739, 42608), (5326, 37912), (5416, 37282), (9478, 21304), (10652, 18956), (10832, 18641)]