19625529

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 33981120

約数和(自身を除く): 14355591

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 229, 231, 371, 539, 583, 687, 1113, 1603, 1617, 1749, 2519, 2597, 4081, 4809, 7557, 7791, 11221, 12137, 12243, 17633, 28567, 33663, 36411, 52899, 84959, 85701, 123431, 133507, 254877, 370293, 400521, 594713, 934549, 1784139, 2803647, 6541843, 19625529]

約数ペア:

[(1, 19625529), (3, 6541843), (7, 2803647), (11, 1784139), (21, 934549), (33, 594713), (49, 400521), (53, 370293), (77, 254877), (147, 133507), (159, 123431), (229, 85701), (231, 84959), (371, 52899), (539, 36411), (583, 33663), (687, 28567), (1113, 17633), (1603, 12243), (1617, 12137), (1749, 11221), (2519, 7791), (2597, 7557), (4081, 4809)]