18270395

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 27349056

約数和(自身を除く): 9078661

約数列:

[1, 5, 11, 13, 23, 55, 65, 101, 115, 121, 143, 253, 299, 505, 605, 715, 1111, 1265, 1313, 1495, 1573, 2323, 2783, 3289, 5555, 6565, 7865, 11615, 12221, 13915, 14443, 16445, 25553, 30199, 36179, 61105, 72215, 127765, 150995, 158873, 180895, 281083, 332189, 794365, 1405415, 1660945, 3654079, 18270395]

約数ペア:

[(1, 18270395), (5, 3654079), (11, 1660945), (13, 1405415), (23, 794365), (55, 332189), (65, 281083), (101, 180895), (115, 158873), (121, 150995), (143, 127765), (253, 72215), (299, 61105), (505, 36179), (605, 30199), (715, 25553), (1111, 16445), (1265, 14443), (1313, 13915), (1495, 12221), (1573, 11615), (2323, 7865), (2783, 6565), (3289, 5555)]