19941249770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{18233}}^1$

素因数の和:18479

約数の個数: 64

約数和(自身を含む): 39700523520

約数和(自身を除く): 19759273750

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 179, 235, 358, 470, 611, 895, 1222, 1790, 2327, 3055, 4654, 6110, 8413, 11635, 16826, 18233, 23270, 36466, 42065, 84130, 91165, 109369, 182330, 218738, 237029, 474058, 546845, 856951, 1093690, 1185145, 1713902, 2370290, 3263707, 4284755, 6527414, 8569510, 11140363, 16318535, 22280726, 32637070, 42428191, 55701815, 84856382, 111403630, 153394229, 212140955, 306788458, 424281910, 766971145, 1533942290, 1994124977, 3988249954, 9970624885, 19941249770]

約数ペア:

[(1, 19941249770), (2, 9970624885), (5, 3988249954), (10, 1994124977), (13, 1533942290), (26, 766971145), (47, 424281910), (65, 306788458), (94, 212140955), (130, 153394229), (179, 111403630), (235, 84856382), (358, 55701815), (470, 42428191), (611, 32637070), (895, 22280726), (1222, 16318535), (1790, 11140363), (2327, 8569510), (3055, 6527414), (4654, 4284755), (6110, 3263707), (8413, 2370290), (11635, 1713902), (16826, 1185145), (18233, 1093690), (23270, 856951), (36466, 546845), (42065, 474058), (84130, 237029), (91165, 218738), (109369, 182330)]