18740895

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 31739904

約数和(自身を除く): 12999009

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 983, 1271, 2949, 3813, 4915, 6355, 14745, 19065, 30473, 40303, 91419, 120909, 152365, 201515, 457095, 604545, 1249393, 3748179, 6246965, 18740895]

約数ペア:

[(1, 18740895), (3, 6246965), (5, 3748179), (15, 1249393), (31, 604545), (41, 457095), (93, 201515), (123, 152365), (155, 120909), (205, 91419), (465, 40303), (615, 30473), (983, 19065), (1271, 14745), (2949, 6355), (3813, 4915)]