18448810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 16931990

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1091, 1691, 2182, 3382, 5455, 8455, 10910, 16910, 20729, 41458, 97099, 103645, 194198, 207290, 485495, 970990, 1844881, 3689762, 9224405, 18448810]

約数ペア:

[(1, 18448810), (2, 9224405), (5, 3689762), (10, 1844881), (19, 970990), (38, 485495), (89, 207290), (95, 194198), (178, 103645), (190, 97099), (445, 41458), (890, 20729), (1091, 16910), (1691, 10910), (2182, 8455), (3382, 5455)]