18681520005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{753439}}^1$

素因数の和:753498

約数の個数: 48

約数和(自身を含む): 35260992000

約数和(自身を除く): 16579471995

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 4959, 8265, 24795, 753439, 2260317, 3767195, 6780951, 11301585, 14315341, 21849731, 33904755, 42946023, 65549193, 71576705, 109248655, 128838069, 196647579, 214730115, 327745965, 415144889, 644190345, 983237895, 1245434667, 2075724445, 3736304001, 6227173335, 18681520005]

約数ペア:

[(1, 18681520005), (3, 6227173335), (5, 3736304001), (9, 2075724445), (15, 1245434667), (19, 983237895), (29, 644190345), (45, 415144889), (57, 327745965), (87, 214730115), (95, 196647579), (145, 128838069), (171, 109248655), (261, 71576705), (285, 65549193), (435, 42946023), (551, 33904755), (855, 21849731), (1305, 14315341), (1653, 11301585), (2755, 6780951), (4959, 3767195), (8265, 2260317), (24795, 753439)]