15669878778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{645329}}^1$

素因数の和:645427

約数の個数: 48

約数和(自身を含む): 36241732800

約数和(自身を除く): 20571854022

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1349, 2698, 4047, 8094, 12141, 24282, 645329, 1290658, 1935987, 3871974, 5807961, 11615922, 12261251, 24522502, 36783753, 45818359, 73567506, 91636718, 110351259, 137455077, 220702518, 274910154, 412365231, 824730462, 870548821, 1741097642, 2611646463, 5223292926, 7834939389, 15669878778]

約数ペア:

[(1, 15669878778), (2, 7834939389), (3, 5223292926), (6, 2611646463), (9, 1741097642), (18, 870548821), (19, 824730462), (38, 412365231), (57, 274910154), (71, 220702518), (114, 137455077), (142, 110351259), (171, 91636718), (213, 73567506), (342, 45818359), (426, 36783753), (639, 24522502), (1278, 12261251), (1349, 11615922), (2698, 5807961), (4047, 3871974), (8094, 1935987), (12141, 1290658), (24282, 645329)]