19796520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 59760000

約数和(自身を除く): 39963480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 829, 995, 1194, 1592, 1658, 1990, 2388, 2487, 2985, 3316, 3980, 4145, 4776, 4974, 5970, 6632, 7960, 8290, 9948, 11940, 12435, 16580, 19896, 23880, 24870, 33160, 49740, 99480, 164971, 329942, 494913, 659884, 824855, 989826, 1319768, 1649710, 1979652, 2474565, 3299420, 3959304, 4949130, 6598840, 9898260, 19796520]

約数ペア:

[(1, 19796520), (2, 9898260), (3, 6598840), (4, 4949130), (5, 3959304), (6, 3299420), (8, 2474565), (10, 1979652), (12, 1649710), (15, 1319768), (20, 989826), (24, 824855), (30, 659884), (40, 494913), (60, 329942), (120, 164971), (199, 99480), (398, 49740), (597, 33160), (796, 24870), (829, 23880), (995, 19896), (1194, 16580), (1592, 12435), (1658, 11940), (1990, 9948), (2388, 8290), (2487, 7960), (2985, 6632), (3316, 5970), (3980, 4974), (4145, 4776)]