18389745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 16833807

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 383, 485, 495, 873, 1067, 1149, 1455, 1915, 3201, 3447, 4213, 4365, 5335, 5745, 9603, 12639, 16005, 17235, 21065, 37151, 37917, 48015, 63195, 111453, 185755, 189585, 334359, 408661, 557265, 1225983, 1671795, 2043305, 3677949, 6129915, 18389745]

約数ペア:

[(1, 18389745), (3, 6129915), (5, 3677949), (9, 2043305), (11, 1671795), (15, 1225983), (33, 557265), (45, 408661), (55, 334359), (97, 189585), (99, 185755), (165, 111453), (291, 63195), (383, 48015), (485, 37917), (495, 37151), (873, 21065), (1067, 17235), (1149, 16005), (1455, 12639), (1915, 9603), (3201, 5745), (3447, 5335), (4213, 4365)]