19429860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4561}}^1$

素因数の和:4644

約数の個数: 48

約数和(自身を含む): 55181952

約数和(自身を除く): 35752092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4561, 9122, 13683, 18244, 22805, 27366, 45610, 54732, 68415, 91220, 136830, 273660, 323831, 647662, 971493, 1295324, 1619155, 1942986, 3238310, 3885972, 4857465, 6476620, 9714930, 19429860]

約数ペア:

[(1, 19429860), (2, 9714930), (3, 6476620), (4, 4857465), (5, 3885972), (6, 3238310), (10, 1942986), (12, 1619155), (15, 1295324), (20, 971493), (30, 647662), (60, 323831), (71, 273660), (142, 136830), (213, 91220), (284, 68415), (355, 54732), (426, 45610), (710, 27366), (852, 22805), (1065, 18244), (1420, 13683), (2130, 9122), (4260, 4561)]