19139800

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 45075240

約数和(自身を除く): 25935440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1153, 1660, 2075, 2306, 3320, 4150, 4612, 5765, 8300, 9224, 11530, 16600, 23060, 28825, 46120, 57650, 95699, 115300, 191398, 230600, 382796, 478495, 765592, 956990, 1913980, 2392475, 3827960, 4784950, 9569900, 19139800]

約数ペア:

[(1, 19139800), (2, 9569900), (4, 4784950), (5, 3827960), (8, 2392475), (10, 1913980), (20, 956990), (25, 765592), (40, 478495), (50, 382796), (83, 230600), (100, 191398), (166, 115300), (200, 95699), (332, 57650), (415, 46120), (664, 28825), (830, 23060), (1153, 16600), (1660, 11530), (2075, 9224), (2306, 8300), (3320, 5765), (4150, 4612)]