19036179920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{247609}}^1$

素因数の和:247684

約数の個数: 60

約数和(自身を含む): 45733071780

約数和(自身を除く): 26696891860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3844, 4805, 7688, 9610, 15376, 19220, 38440, 76880, 247609, 495218, 990436, 1238045, 1980872, 2476090, 3961744, 4952180, 7675879, 9904360, 15351758, 19808720, 30703516, 38379395, 61407032, 76758790, 122814064, 153517580, 237952249, 307035160, 475904498, 614070320, 951808996, 1189761245, 1903617992, 2379522490, 3807235984, 4759044980, 9518089960, 19036179920]

約数ペア:

[(1, 19036179920), (2, 9518089960), (4, 4759044980), (5, 3807235984), (8, 2379522490), (10, 1903617992), (16, 1189761245), (20, 951808996), (31, 614070320), (40, 475904498), (62, 307035160), (80, 237952249), (124, 153517580), (155, 122814064), (248, 76758790), (310, 61407032), (496, 38379395), (620, 30703516), (961, 19808720), (1240, 15351758), (1922, 9904360), (2480, 7675879), (3844, 4952180), (4805, 3961744), (7688, 2476090), (9610, 1980872), (15376, 1238045), (19220, 990436), (38440, 495218), (76880, 247609)]