18681650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 38388168

約数和(自身を除く): 19706518

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 701, 1025, 1066, 1402, 2050, 2665, 3505, 5330, 7010, 9113, 13325, 17525, 18226, 26650, 28741, 35050, 45565, 57482, 91130, 143705, 227825, 287410, 373633, 455650, 718525, 747266, 1437050, 1868165, 3736330, 9340825, 18681650]

約数ペア:

[(1, 18681650), (2, 9340825), (5, 3736330), (10, 1868165), (13, 1437050), (25, 747266), (26, 718525), (41, 455650), (50, 373633), (65, 287410), (82, 227825), (130, 143705), (205, 91130), (325, 57482), (410, 45565), (533, 35050), (650, 28741), (701, 26650), (1025, 18226), (1066, 17525), (1402, 13325), (2050, 9113), (2665, 7010), (3505, 5330)]