19041760

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2027

約数の個数: 48

約数和(自身を含む): 45747072

約数和(自身を除く): 26705312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1951, 1952, 2440, 3902, 4880, 7804, 9755, 9760, 15608, 19510, 31216, 39020, 62432, 78040, 119011, 156080, 238022, 312160, 476044, 595055, 952088, 1190110, 1904176, 2380220, 3808352, 4760440, 9520880, 19041760]

約数ペア:

[(1, 19041760), (2, 9520880), (4, 4760440), (5, 3808352), (8, 2380220), (10, 1904176), (16, 1190110), (20, 952088), (32, 595055), (40, 476044), (61, 312160), (80, 238022), (122, 156080), (160, 119011), (244, 78040), (305, 62432), (488, 39020), (610, 31216), (976, 19510), (1220, 15608), (1951, 9760), (1952, 9755), (2440, 7804), (3902, 4880)]