19215661450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{31121}}^1$

素因数の和:31419

約数の個数: 48

約数和(自身を含む): 36572956056

約数和(自身を除く): 17357294606

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 233, 265, 466, 530, 1165, 1325, 2330, 2650, 5825, 11650, 12349, 24698, 31121, 61745, 62242, 123490, 155605, 308725, 311210, 617450, 778025, 1556050, 1649413, 3298826, 7251193, 8247065, 14502386, 16494130, 36255965, 41235325, 72511930, 82470650, 181279825, 362559650, 384313229, 768626458, 1921566145, 3843132290, 9607830725, 19215661450]

約数ペア:

[(1, 19215661450), (2, 9607830725), (5, 3843132290), (10, 1921566145), (25, 768626458), (50, 384313229), (53, 362559650), (106, 181279825), (233, 82470650), (265, 72511930), (466, 41235325), (530, 36255965), (1165, 16494130), (1325, 14502386), (2330, 8247065), (2650, 7251193), (5825, 3298826), (11650, 1649413), (12349, 1556050), (24698, 778025), (31121, 617450), (61745, 311210), (62242, 308725), (123490, 155605)]