19811104

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7459}}^1$

素因数の和:7552

約数の個数: 24

約数和(自身を含む): 39478320

約数和(自身を除く): 19667216

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7459, 14918, 29836, 59672, 119344, 238688, 619097, 1238194, 2476388, 4952776, 9905552, 19811104]

約数ペア:

[(1, 19811104), (2, 9905552), (4, 4952776), (8, 2476388), (16, 1238194), (32, 619097), (83, 238688), (166, 119344), (332, 59672), (664, 29836), (1328, 14918), (2656, 7459)]