19734540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2511

約数の個数: 96

約数和(自身を含む): 66501120

約数和(自身を除く): 46766580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2473, 2660, 3990, 4946, 7419, 7980, 9892, 12365, 14838, 17311, 24730, 29676, 34622, 37095, 46987, 49460, 51933, 69244, 74190, 86555, 93974, 103866, 140961, 148380, 173110, 187948, 207732, 234935, 259665, 281922, 328909, 346220, 469870, 519330, 563844, 657818, 704805, 939740, 986727, 1038660, 1315636, 1409610, 1644545, 1973454, 2819220, 3289090, 3946908, 4933635, 6578180, 9867270, 19734540]

約数ペア:

[(1, 19734540), (2, 9867270), (3, 6578180), (4, 4933635), (5, 3946908), (6, 3289090), (7, 2819220), (10, 1973454), (12, 1644545), (14, 1409610), (15, 1315636), (19, 1038660), (20, 986727), (21, 939740), (28, 704805), (30, 657818), (35, 563844), (38, 519330), (42, 469870), (57, 346220), (60, 328909), (70, 281922), (76, 259665), (84, 234935), (95, 207732), (105, 187948), (114, 173110), (133, 148380), (140, 140961), (190, 103866), (210, 93974), (228, 86555), (266, 74190), (285, 69244), (380, 51933), (399, 49460), (420, 46987), (532, 37095), (570, 34622), (665, 29676), (798, 24730), (1140, 17311), (1330, 14838), (1596, 12365), (1995, 9892), (2473, 7980), (2660, 7419), (3990, 4946)]