19735398

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 44175456

約数和(自身を除く): 24440058

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 137, 151, 159, 274, 302, 318, 411, 453, 477, 822, 906, 954, 1233, 1359, 2466, 2718, 7261, 8003, 14522, 16006, 20687, 21783, 24009, 41374, 43566, 48018, 62061, 65349, 72027, 124122, 130698, 144054, 186183, 372366, 1096411, 2192822, 3289233, 6578466, 9867699, 19735398]

約数ペア:

[(1, 19735398), (2, 9867699), (3, 6578466), (6, 3289233), (9, 2192822), (18, 1096411), (53, 372366), (106, 186183), (137, 144054), (151, 130698), (159, 124122), (274, 72027), (302, 65349), (318, 62061), (411, 48018), (453, 43566), (477, 41374), (822, 24009), (906, 21783), (954, 20687), (1233, 16006), (1359, 14522), (2466, 8003), (2718, 7261)]