19857420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3343}}^1$

素因数の和:3372

約数の個数: 96

約数和(自身を含む): 67415040

約数和(自身を除く): 47557620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3343, 5940, 6686, 10029, 13372, 16715, 20058, 30087, 33430, 36773, 40116, 50145, 60174, 66860, 73546, 90261, 100290, 110319, 120348, 147092, 150435, 180522, 183865, 200580, 220638, 300870, 330957, 361044, 367730, 441276, 451305, 551595, 601740, 661914, 735460, 902610, 992871, 1103190, 1323828, 1654785, 1805220, 1985742, 2206380, 3309570, 3971484, 4964355, 6619140, 9928710, 19857420]

約数ペア:

[(1, 19857420), (2, 9928710), (3, 6619140), (4, 4964355), (5, 3971484), (6, 3309570), (9, 2206380), (10, 1985742), (11, 1805220), (12, 1654785), (15, 1323828), (18, 1103190), (20, 992871), (22, 902610), (27, 735460), (30, 661914), (33, 601740), (36, 551595), (44, 451305), (45, 441276), (54, 367730), (55, 361044), (60, 330957), (66, 300870), (90, 220638), (99, 200580), (108, 183865), (110, 180522), (132, 150435), (135, 147092), (165, 120348), (180, 110319), (198, 100290), (220, 90261), (270, 73546), (297, 66860), (330, 60174), (396, 50145), (495, 40116), (540, 36773), (594, 33430), (660, 30087), (990, 20058), (1188, 16715), (1485, 13372), (1980, 10029), (2970, 6686), (3343, 5940)]