19789620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5407}}^1$

素因数の和:5480

約数の個数: 48

約数和(自身を含む): 56329728

約数和(自身を除く): 36540108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5407, 10814, 16221, 21628, 27035, 32442, 54070, 64884, 81105, 108140, 162210, 324420, 329827, 659654, 989481, 1319308, 1649135, 1978962, 3298270, 3957924, 4947405, 6596540, 9894810, 19789620]

約数ペア:

[(1, 19789620), (2, 9894810), (3, 6596540), (4, 4947405), (5, 3957924), (6, 3298270), (10, 1978962), (12, 1649135), (15, 1319308), (20, 989481), (30, 659654), (60, 329827), (61, 324420), (122, 162210), (183, 108140), (244, 81105), (305, 64884), (366, 54070), (610, 32442), (732, 27035), (915, 21628), (1220, 16221), (1830, 10814), (3660, 5407)]