19860516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42437}}^1$

素因数の和:42460

約数の個数: 36

約数和(自身を含む): 54066012

約数和(自身を除く): 34205496

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42437, 84874, 127311, 169748, 254622, 381933, 509244, 551681, 763866, 1103362, 1527732, 1655043, 2206724, 3310086, 4965129, 6620172, 9930258, 19860516]

約数ペア:

[(1, 19860516), (2, 9930258), (3, 6620172), (4, 4965129), (6, 3310086), (9, 2206724), (12, 1655043), (13, 1527732), (18, 1103362), (26, 763866), (36, 551681), (39, 509244), (52, 381933), (78, 254622), (117, 169748), (156, 127311), (234, 84874), (468, 42437)]