18233008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 38214320

約数和(自身を除く): 19981312

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1621, 2812, 3242, 5624, 6484, 11248, 12968, 25936, 30799, 59977, 61598, 119954, 123196, 239908, 246392, 479816, 492784, 959632, 1139563, 2279126, 4558252, 9116504, 18233008]

約数ペア:

[(1, 18233008), (2, 9116504), (4, 4558252), (8, 2279126), (16, 1139563), (19, 959632), (37, 492784), (38, 479816), (74, 246392), (76, 239908), (148, 123196), (152, 119954), (296, 61598), (304, 59977), (592, 30799), (703, 25936), (1406, 12968), (1621, 11248), (2812, 6484), (3242, 5624)]