2019670835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18028

約数の個数: 48

約数和(自身を含む): 3157320960

約数和(自身を除く): 1137650125

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 169, 247, 455, 665, 845, 1183, 1235, 1729, 3211, 5915, 8645, 16055, 17971, 22477, 89855, 112385, 125797, 233623, 341449, 628985, 1168115, 1635361, 1707245, 2390143, 3037099, 4438837, 8176805, 11950715, 15185495, 21259693, 22194185, 31071859, 57704881, 106298465, 155359295, 288524405, 403934167, 2019670835]

約数ペア:

[(1, 2019670835), (5, 403934167), (7, 288524405), (13, 155359295), (19, 106298465), (35, 57704881), (65, 31071859), (91, 22194185), (95, 21259693), (133, 15185495), (169, 11950715), (247, 8176805), (455, 4438837), (665, 3037099), (845, 2390143), (1183, 1707245), (1235, 1635361), (1729, 1168115), (3211, 628985), (5915, 341449), (8645, 233623), (16055, 125797), (17971, 112385), (22477, 89855)]