18797992

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 38953440

約数和(自身を除く): 20155448

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 283, 361, 437, 566, 722, 874, 1132, 1444, 1748, 2264, 2888, 3496, 5377, 6509, 8303, 10754, 13018, 16606, 21508, 26036, 33212, 43016, 52072, 66424, 102163, 123671, 204326, 247342, 408652, 494684, 817304, 989368, 2349749, 4699498, 9398996, 18797992]

約数ペア:

[(1, 18797992), (2, 9398996), (4, 4699498), (8, 2349749), (19, 989368), (23, 817304), (38, 494684), (46, 408652), (76, 247342), (92, 204326), (152, 123671), (184, 102163), (283, 66424), (361, 52072), (437, 43016), (566, 33212), (722, 26036), (874, 21508), (1132, 16606), (1444, 13018), (1748, 10754), (2264, 8303), (2888, 6509), (3496, 5377)]