16866224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 34782000

約数和(自身を除く): 17915776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 509, 872, 1018, 1744, 2036, 2071, 4072, 4142, 8144, 8284, 9671, 16568, 19342, 33136, 38684, 55481, 77368, 110962, 154736, 221924, 443848, 887696, 1054139, 2108278, 4216556, 8433112, 16866224]

約数ペア:

[(1, 16866224), (2, 8433112), (4, 4216556), (8, 2108278), (16, 1054139), (19, 887696), (38, 443848), (76, 221924), (109, 154736), (152, 110962), (218, 77368), (304, 55481), (436, 38684), (509, 33136), (872, 19342), (1018, 16568), (1744, 9671), (2036, 8284), (2071, 8144), (4072, 4142)]