18585724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 35055048

約数和(自身を除く): 16469324

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 211, 244, 361, 422, 722, 844, 1159, 1444, 2318, 4009, 4636, 8018, 12871, 16036, 22021, 25742, 44042, 51484, 76171, 88084, 152342, 244549, 304684, 489098, 978196, 4646431, 9292862, 18585724]

約数ペア:

[(1, 18585724), (2, 9292862), (4, 4646431), (19, 978196), (38, 489098), (61, 304684), (76, 244549), (122, 152342), (211, 88084), (244, 76171), (361, 51484), (422, 44042), (722, 25742), (844, 22021), (1159, 16036), (1444, 12871), (2318, 8018), (4009, 4636)]