19444719

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 13649937

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 147, 217, 251, 357, 527, 651, 753, 833, 1519, 1581, 1757, 2499, 3689, 4267, 4557, 5271, 7781, 11067, 12299, 12801, 23343, 25823, 29869, 36897, 54467, 77469, 89607, 132277, 163401, 209083, 381269, 396831, 627249, 925939, 1143807, 2777817, 6481573, 19444719]

約数ペア:

[(1, 19444719), (3, 6481573), (7, 2777817), (17, 1143807), (21, 925939), (31, 627249), (49, 396831), (51, 381269), (93, 209083), (119, 163401), (147, 132277), (217, 89607), (251, 77469), (357, 54467), (527, 36897), (651, 29869), (753, 25823), (833, 23343), (1519, 12801), (1581, 12299), (1757, 11067), (2499, 7781), (3689, 5271), (4267, 4557)]