19480617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 12807639

約数列:

[1, 3, 9, 13, 31, 39, 41, 93, 117, 123, 131, 279, 369, 393, 403, 533, 1179, 1209, 1271, 1599, 1703, 3627, 3813, 4061, 4797, 5109, 5371, 11439, 12183, 15327, 16113, 16523, 36549, 48339, 49569, 52793, 69823, 148707, 158379, 166501, 209469, 475137, 499503, 628407, 1498509, 2164513, 6493539, 19480617]

約数ペア:

[(1, 19480617), (3, 6493539), (9, 2164513), (13, 1498509), (31, 628407), (39, 499503), (41, 475137), (93, 209469), (117, 166501), (123, 158379), (131, 148707), (279, 69823), (369, 52793), (393, 49569), (403, 48339), (533, 36549), (1179, 16523), (1209, 16113), (1271, 15327), (1599, 12183), (1703, 11439), (3627, 5371), (3813, 5109), (4061, 4797)]