18848684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18406996

約数列:

[1, 2, 4, 19, 23, 38, 41, 46, 76, 82, 92, 164, 263, 437, 526, 779, 874, 943, 1052, 1558, 1748, 1886, 3116, 3772, 4997, 6049, 9994, 10783, 12098, 17917, 19988, 21566, 24196, 35834, 43132, 71668, 114931, 204877, 229862, 248009, 409754, 459724, 496018, 819508, 992036, 4712171, 9424342, 18848684]

約数ペア:

[(1, 18848684), (2, 9424342), (4, 4712171), (19, 992036), (23, 819508), (38, 496018), (41, 459724), (46, 409754), (76, 248009), (82, 229862), (92, 204877), (164, 114931), (263, 71668), (437, 43132), (526, 35834), (779, 24196), (874, 21566), (943, 19988), (1052, 17917), (1558, 12098), (1748, 10783), (1886, 9994), (3116, 6049), (3772, 4997)]