19913946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 24357414

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 169, 246, 338, 479, 507, 533, 958, 1014, 1066, 1437, 1599, 2874, 3198, 6227, 6929, 12454, 13858, 18681, 19639, 20787, 37362, 39278, 41574, 58917, 80951, 117834, 161902, 242853, 255307, 485706, 510614, 765921, 1531842, 3318991, 6637982, 9956973, 19913946]

約数ペア:

[(1, 19913946), (2, 9956973), (3, 6637982), (6, 3318991), (13, 1531842), (26, 765921), (39, 510614), (41, 485706), (78, 255307), (82, 242853), (123, 161902), (169, 117834), (246, 80951), (338, 58917), (479, 41574), (507, 39278), (533, 37362), (958, 20787), (1014, 19639), (1066, 18681), (1437, 13858), (1599, 12454), (2874, 6929), (3198, 6227)]