19278216

素因数分解:

$2^3\times 3^3\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 54000000

約数和(自身を除く): 34721784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 149, 216, 298, 447, 596, 599, 894, 1192, 1198, 1341, 1788, 1797, 2396, 2682, 3576, 3594, 4023, 4792, 5364, 5391, 7188, 8046, 10728, 10782, 14376, 16092, 16173, 21564, 32184, 32346, 43128, 64692, 89251, 129384, 178502, 267753, 357004, 535506, 714008, 803259, 1071012, 1606518, 2142024, 2409777, 3213036, 4819554, 6426072, 9639108, 19278216]

約数ペア:

[(1, 19278216), (2, 9639108), (3, 6426072), (4, 4819554), (6, 3213036), (8, 2409777), (9, 2142024), (12, 1606518), (18, 1071012), (24, 803259), (27, 714008), (36, 535506), (54, 357004), (72, 267753), (108, 178502), (149, 129384), (216, 89251), (298, 64692), (447, 43128), (596, 32346), (599, 32184), (894, 21564), (1192, 16173), (1198, 16092), (1341, 14376), (1788, 10782), (1797, 10728), (2396, 8046), (2682, 7188), (3576, 5391), (3594, 5364), (4023, 4792)]