19952790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4651}}^1$

素因数の和:4685

約数の個数: 64

約数和(自身を含む): 56270592

約数和(自身を除く): 36317802

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4651, 9302, 13953, 23255, 27906, 46510, 51161, 60463, 69765, 102322, 120926, 139530, 153483, 181389, 255805, 302315, 306966, 362778, 511610, 604630, 665093, 767415, 906945, 1330186, 1534830, 1813890, 1995279, 3325465, 3990558, 6650930, 9976395, 19952790]

約数ペア:

[(1, 19952790), (2, 9976395), (3, 6650930), (5, 3990558), (6, 3325465), (10, 1995279), (11, 1813890), (13, 1534830), (15, 1330186), (22, 906945), (26, 767415), (30, 665093), (33, 604630), (39, 511610), (55, 362778), (65, 306966), (66, 302315), (78, 255805), (110, 181389), (130, 153483), (143, 139530), (165, 120926), (195, 102322), (286, 69765), (330, 60463), (390, 51161), (429, 46510), (715, 27906), (858, 23255), (1430, 13953), (2145, 9302), (4290, 4651)]