20181603

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10461597

約数列:

[1, 3, 13, 23, 39, 69, 149, 151, 299, 447, 453, 897, 1937, 1963, 3427, 3473, 5811, 5889, 10281, 10419, 22499, 44551, 45149, 67497, 133653, 135447, 292487, 517477, 877461, 1552431, 6727201, 20181603]

約数ペア:

[(1, 20181603), (3, 6727201), (13, 1552431), (23, 877461), (39, 517477), (69, 292487), (149, 135447), (151, 133653), (299, 67497), (447, 45149), (453, 44551), (897, 22499), (1937, 10419), (1963, 10281), (3427, 5889), (3473, 5811)]