18594388

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 34991040

約数和(自身を除く): 16396652

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 163, 316, 326, 361, 652, 722, 1444, 1501, 3002, 3097, 6004, 6194, 12388, 12877, 25754, 28519, 51508, 57038, 58843, 114076, 117686, 235372, 244663, 489326, 978652, 4648597, 9297194, 18594388]

約数ペア:

[(1, 18594388), (2, 9297194), (4, 4648597), (19, 978652), (38, 489326), (76, 244663), (79, 235372), (158, 117686), (163, 114076), (316, 58843), (326, 57038), (361, 51508), (652, 28519), (722, 25754), (1444, 12877), (1501, 12388), (3002, 6194), (3097, 6004)]