19001323908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{542461}}^1$

素因数の和:542617

約数の個数: 72

約数和(自身を含む): 55287727040

約数和(自身を除く): 36286403132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5838, 8757, 11676, 17514, 35028, 542461, 1084922, 1627383, 2169844, 3254766, 3797227, 4882149, 6509532, 7594454, 9764298, 11391681, 15188908, 19528596, 22783362, 34175043, 45566724, 68350086, 75402079, 136700172, 150804158, 226206237, 301608316, 452412474, 527814553, 678618711, 904824948, 1055629106, 1357237422, 1583443659, 2111258212, 2714474844, 3166887318, 4750330977, 6333774636, 9500661954, 19001323908]

約数ペア:

[(1, 19001323908), (2, 9500661954), (3, 6333774636), (4, 4750330977), (6, 3166887318), (7, 2714474844), (9, 2111258212), (12, 1583443659), (14, 1357237422), (18, 1055629106), (21, 904824948), (28, 678618711), (36, 527814553), (42, 452412474), (63, 301608316), (84, 226206237), (126, 150804158), (139, 136700172), (252, 75402079), (278, 68350086), (417, 45566724), (556, 34175043), (834, 22783362), (973, 19528596), (1251, 15188908), (1668, 11391681), (1946, 9764298), (2502, 7594454), (2919, 6509532), (3892, 4882149), (5004, 3797227), (5838, 3254766), (8757, 2169844), (11676, 1627383), (17514, 1084922), (35028, 542461)]