19954350

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 120

約数和(自身を含む): 59865960

約数和(自身を除く): 39911610

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 195, 225, 234, 270, 325, 351, 379, 390, 405, 450, 585, 650, 675, 702, 758, 810, 975, 1053, 1137, 1170, 1350, 1755, 1895, 1950, 2025, 2106, 2274, 2925, 3411, 3510, 3790, 4050, 4927, 5265, 5685, 5850, 6822, 8775, 9475, 9854, 10233, 10530, 11370, 14781, 17055, 17550, 18950, 20466, 24635, 26325, 28425, 29562, 30699, 34110, 44343, 49270, 51165, 52650, 56850, 61398, 73905, 85275, 88686, 102330, 123175, 133029, 147810, 153495, 170550, 221715, 246350, 255825, 266058, 306990, 369525, 399087, 443430, 511650, 665145, 739050, 767475, 798174, 1108575, 1330290, 1534950, 1995435, 2217150, 3325725, 3990870, 6651450, 9977175, 19954350]

約数ペア:

[(1, 19954350), (2, 9977175), (3, 6651450), (5, 3990870), (6, 3325725), (9, 2217150), (10, 1995435), (13, 1534950), (15, 1330290), (18, 1108575), (25, 798174), (26, 767475), (27, 739050), (30, 665145), (39, 511650), (45, 443430), (50, 399087), (54, 369525), (65, 306990), (75, 266058), (78, 255825), (81, 246350), (90, 221715), (117, 170550), (130, 153495), (135, 147810), (150, 133029), (162, 123175), (195, 102330), (225, 88686), (234, 85275), (270, 73905), (325, 61398), (351, 56850), (379, 52650), (390, 51165), (405, 49270), (450, 44343), (585, 34110), (650, 30699), (675, 29562), (702, 28425), (758, 26325), (810, 24635), (975, 20466), (1053, 18950), (1137, 17550), (1170, 17055), (1350, 14781), (1755, 11370), (1895, 10530), (1950, 10233), (2025, 9854), (2106, 9475), (2274, 8775), (2925, 6822), (3411, 5850), (3510, 5685), (3790, 5265), (4050, 4927)]