19173650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 18323950

約数列:

[1, 2, 5, 10, 25, 41, 47, 50, 82, 94, 199, 205, 235, 398, 410, 470, 995, 1025, 1175, 1927, 1990, 2050, 2350, 3854, 4975, 8159, 9353, 9635, 9950, 16318, 18706, 19270, 40795, 46765, 48175, 81590, 93530, 96350, 203975, 233825, 383473, 407950, 467650, 766946, 1917365, 3834730, 9586825, 19173650]

約数ペア:

[(1, 19173650), (2, 9586825), (5, 3834730), (10, 1917365), (25, 766946), (41, 467650), (47, 407950), (50, 383473), (82, 233825), (94, 203975), (199, 96350), (205, 93530), (235, 81590), (398, 48175), (410, 46765), (470, 40795), (995, 19270), (1025, 18706), (1175, 16318), (1927, 9950), (1990, 9635), (2050, 9353), (2350, 8159), (3854, 4975)]