18803696

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 39071904

約数和(自身を除く): 20268208

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1381, 1702, 2762, 3404, 5524, 6808, 11048, 13616, 22096, 31763, 51097, 63526, 102194, 127052, 204388, 254104, 408776, 508208, 817552, 1175231, 2350462, 4700924, 9401848, 18803696]

約数ペア:

[(1, 18803696), (2, 9401848), (4, 4700924), (8, 2350462), (16, 1175231), (23, 817552), (37, 508208), (46, 408776), (74, 254104), (92, 204388), (148, 127052), (184, 102194), (296, 63526), (368, 51097), (592, 31763), (851, 22096), (1381, 13616), (1702, 11048), (2762, 6808), (3404, 5524)]