18922150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 38841264

約数和(自身を除く): 19919114

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 677, 1075, 1118, 1354, 2150, 2795, 3385, 5590, 6770, 8801, 13975, 16925, 17602, 27950, 29111, 33850, 44005, 58222, 88010, 145555, 220025, 291110, 378443, 440050, 727775, 756886, 1455550, 1892215, 3784430, 9461075, 18922150]

約数ペア:

[(1, 18922150), (2, 9461075), (5, 3784430), (10, 1892215), (13, 1455550), (25, 756886), (26, 727775), (43, 440050), (50, 378443), (65, 291110), (86, 220025), (130, 145555), (215, 88010), (325, 58222), (430, 44005), (559, 33850), (650, 29111), (677, 27950), (1075, 17602), (1118, 16925), (1354, 13975), (2150, 8801), (2795, 6770), (3385, 5590)]