18899689835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1\times {\mathrm{7187}}^1$

素因数の和:8987

約数の個数: 32

約数和(自身を含む): 25504174080

約数和(自身を除く): 6604484245

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 1759, 7187, 8795, 22867, 35935, 40457, 93431, 114335, 165301, 202285, 467155, 525941, 826505, 2148913, 2629705, 10744565, 12641933, 63209665, 164345129, 290764459, 821725645, 1453822295, 3779937967, 18899689835]

約数ペア:

[(1, 18899689835), (5, 3779937967), (13, 1453822295), (23, 821725645), (65, 290764459), (115, 164345129), (299, 63209665), (1495, 12641933), (1759, 10744565), (7187, 2629705), (8795, 2148913), (22867, 826505), (35935, 525941), (40457, 467155), (93431, 202285), (114335, 165301)]