19027420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 23647268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 293, 340, 382, 586, 764, 955, 1172, 1465, 1910, 2930, 3247, 3820, 4981, 5860, 6494, 9962, 12988, 16235, 19924, 24905, 32470, 49810, 55963, 64940, 99620, 111926, 223852, 279815, 559630, 951371, 1119260, 1902742, 3805484, 4756855, 9513710, 19027420]

約数ペア:

[(1, 19027420), (2, 9513710), (4, 4756855), (5, 3805484), (10, 1902742), (17, 1119260), (20, 951371), (34, 559630), (68, 279815), (85, 223852), (170, 111926), (191, 99620), (293, 64940), (340, 55963), (382, 49810), (586, 32470), (764, 24905), (955, 19924), (1172, 16235), (1465, 12988), (1910, 9962), (2930, 6494), (3247, 5860), (3820, 4981)]