19376865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35830080

約数和(自身を除く): 16453215

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 131, 171, 173, 285, 393, 519, 655, 855, 865, 1179, 1557, 1965, 2489, 2595, 3287, 5895, 7467, 7785, 9861, 12445, 16435, 22401, 22663, 29583, 37335, 49305, 67989, 112005, 113315, 147915, 203967, 339945, 430597, 1019835, 1291791, 2152985, 3875373, 6458955, 19376865]

約数ペア:

[(1, 19376865), (3, 6458955), (5, 3875373), (9, 2152985), (15, 1291791), (19, 1019835), (45, 430597), (57, 339945), (95, 203967), (131, 147915), (171, 113315), (173, 112005), (285, 67989), (393, 49305), (519, 37335), (655, 29583), (855, 22663), (865, 22401), (1179, 16435), (1557, 12445), (1965, 9861), (2489, 7785), (2595, 7467), (3287, 5895)]