18303540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1187}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 51492672

約数和(自身を除く): 33189132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1187, 1285, 1542, 2374, 2570, 3084, 3561, 3855, 4748, 5140, 5935, 7122, 7710, 11870, 14244, 15420, 17805, 23740, 35610, 71220, 305059, 610118, 915177, 1220236, 1525295, 1830354, 3050590, 3660708, 4575885, 6101180, 9151770, 18303540]

約数ペア:

[(1, 18303540), (2, 9151770), (3, 6101180), (4, 4575885), (5, 3660708), (6, 3050590), (10, 1830354), (12, 1525295), (15, 1220236), (20, 915177), (30, 610118), (60, 305059), (257, 71220), (514, 35610), (771, 23740), (1028, 17805), (1187, 15420), (1285, 14244), (1542, 11870), (2374, 7710), (2570, 7122), (3084, 5935), (3561, 5140), (3855, 4748)]