18351921

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{953}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 28711584

約数和(自身を除く): 10359663

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 953, 2751, 2859, 6419, 6671, 19257, 20013, 46697, 124843, 140091, 374529, 873901, 2621703, 6117307, 18351921]

約数ペア:

[(1, 18351921), (3, 6117307), (7, 2621703), (21, 873901), (49, 374529), (131, 140091), (147, 124843), (393, 46697), (917, 20013), (953, 19257), (2751, 6671), (2859, 6419)]