18973740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{683}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 34345428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 683, 926, 1366, 1389, 1852, 2049, 2315, 2732, 2778, 3415, 4098, 4630, 5556, 6830, 6945, 8196, 9260, 10245, 13660, 13890, 20490, 27780, 40980, 316229, 632458, 948687, 1264916, 1581145, 1897374, 3162290, 3794748, 4743435, 6324580, 9486870, 18973740]

約数ペア:

[(1, 18973740), (2, 9486870), (3, 6324580), (4, 4743435), (5, 3794748), (6, 3162290), (10, 1897374), (12, 1581145), (15, 1264916), (20, 948687), (30, 632458), (60, 316229), (463, 40980), (683, 27780), (926, 20490), (1366, 13890), (1389, 13660), (1852, 10245), (2049, 9260), (2315, 8196), (2732, 6945), (2778, 6830), (3415, 5556), (4098, 4630)]