18108650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 39759360

約数和(自身を除く): 21650710

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1669, 2170, 3338, 5425, 8345, 10850, 11683, 16690, 23366, 41725, 51739, 58415, 83450, 103478, 116830, 258695, 292075, 362173, 517390, 584150, 724346, 1293475, 1810865, 2586950, 3621730, 9054325, 18108650]

約数ペア:

[(1, 18108650), (2, 9054325), (5, 3621730), (7, 2586950), (10, 1810865), (14, 1293475), (25, 724346), (31, 584150), (35, 517390), (50, 362173), (62, 292075), (70, 258695), (155, 116830), (175, 103478), (217, 83450), (310, 58415), (350, 51739), (434, 41725), (775, 23366), (1085, 16690), (1550, 11683), (1669, 10850), (2170, 8345), (3338, 5425)]