19486290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 50429952

約数和(自身を除く): 30943662

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 911, 930, 1426, 1822, 2139, 2733, 3565, 4278, 4555, 5466, 7130, 9110, 10695, 13665, 20953, 21390, 27330, 28241, 41906, 56482, 62859, 84723, 104765, 125718, 141205, 169446, 209530, 282410, 314295, 423615, 628590, 649543, 847230, 1299086, 1948629, 3247715, 3897258, 6495430, 9743145, 19486290]

約数ペア:

[(1, 19486290), (2, 9743145), (3, 6495430), (5, 3897258), (6, 3247715), (10, 1948629), (15, 1299086), (23, 847230), (30, 649543), (31, 628590), (46, 423615), (62, 314295), (69, 282410), (93, 209530), (115, 169446), (138, 141205), (155, 125718), (186, 104765), (230, 84723), (310, 62859), (345, 56482), (465, 41906), (690, 28241), (713, 27330), (911, 21390), (930, 20953), (1426, 13665), (1822, 10695), (2139, 9110), (2733, 7130), (3565, 5466), (4278, 4555)]