19814718

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{557}}^1$

素因数の和:598

約数の個数: 72

約数和(自身を含む): 50762376

約数和(自身を除く): 30947658

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 121, 147, 154, 231, 242, 294, 363, 462, 539, 557, 726, 847, 1078, 1114, 1617, 1671, 1694, 2541, 3234, 3342, 3899, 5082, 5929, 6127, 7798, 11697, 11858, 12254, 17787, 18381, 23394, 27293, 35574, 36762, 42889, 54586, 67397, 81879, 85778, 128667, 134794, 163758, 202191, 257334, 300223, 404382, 471779, 600446, 900669, 943558, 1415337, 1801338, 2830674, 3302453, 6604906, 9907359, 19814718]

約数ペア:

[(1, 19814718), (2, 9907359), (3, 6604906), (6, 3302453), (7, 2830674), (11, 1801338), (14, 1415337), (21, 943558), (22, 900669), (33, 600446), (42, 471779), (49, 404382), (66, 300223), (77, 257334), (98, 202191), (121, 163758), (147, 134794), (154, 128667), (231, 85778), (242, 81879), (294, 67397), (363, 54586), (462, 42889), (539, 36762), (557, 35574), (726, 27293), (847, 23394), (1078, 18381), (1114, 17787), (1617, 12254), (1671, 11858), (1694, 11697), (2541, 7798), (3234, 6127), (3342, 5929), (3899, 5082)]