19726335

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 36067680

約数和(自身を除く): 16341345

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 919, 1431, 2385, 2757, 4293, 4595, 7155, 8271, 13785, 21465, 24813, 41355, 48707, 74439, 124065, 146121, 243535, 372195, 438363, 730605, 1315089, 2191815, 3945267, 6575445, 19726335]

約数ペア:

[(1, 19726335), (3, 6575445), (5, 3945267), (9, 2191815), (15, 1315089), (27, 730605), (45, 438363), (53, 372195), (81, 243535), (135, 146121), (159, 124065), (265, 74439), (405, 48707), (477, 41355), (795, 24813), (919, 21465), (1431, 13785), (2385, 8271), (2757, 7155), (4293, 4595)]