1999461618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25309}}^1$

素因数の和:25357

約数の個数: 128

約数和(自身を含む): 5831424000

約数和(自身を除く): 3831962382

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 27, 33, 38, 42, 54, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 189, 198, 209, 231, 266, 297, 342, 378, 399, 418, 462, 513, 594, 627, 693, 798, 1026, 1197, 1254, 1386, 1463, 1881, 2079, 2394, 2926, 3591, 3762, 4158, 4389, 5643, 7182, 8778, 11286, 13167, 25309, 26334, 39501, 50618, 75927, 79002, 151854, 177163, 227781, 278399, 354326, 455562, 480871, 531489, 556798, 683343, 835197, 961742, 1062978, 1366686, 1442613, 1594467, 1670394, 1948793, 2505591, 2885226, 3188934, 3366097, 3897586, 4327839, 4783401, 5011182, 5289581, 5846379, 6732194, 7516773, 8655678, 9566802, 10098291, 10579162, 11692758, 12983517, 15033546, 15868743, 17539137, 20196582, 25967034, 30294873, 31737486, 35078274, 37027067, 47606229, 52617411, 60589746, 74054134, 90884619, 95212458, 105234822, 111081201, 142818687, 181769238, 222162402, 285637374, 333243603, 666487206, 999730809, 1999461618]

約数ペア:

[(1, 1999461618), (2, 999730809), (3, 666487206), (6, 333243603), (7, 285637374), (9, 222162402), (11, 181769238), (14, 142818687), (18, 111081201), (19, 105234822), (21, 95212458), (22, 90884619), (27, 74054134), (33, 60589746), (38, 52617411), (42, 47606229), (54, 37027067), (57, 35078274), (63, 31737486), (66, 30294873), (77, 25967034), (99, 20196582), (114, 17539137), (126, 15868743), (133, 15033546), (154, 12983517), (171, 11692758), (189, 10579162), (198, 10098291), (209, 9566802), (231, 8655678), (266, 7516773), (297, 6732194), (342, 5846379), (378, 5289581), (399, 5011182), (418, 4783401), (462, 4327839), (513, 3897586), (594, 3366097), (627, 3188934), (693, 2885226), (798, 2505591), (1026, 1948793), (1197, 1670394), (1254, 1594467), (1386, 1442613), (1463, 1366686), (1881, 1062978), (2079, 961742), (2394, 835197), (2926, 683343), (3591, 556798), (3762, 531489), (4158, 480871), (4389, 455562), (5643, 354326), (7182, 278399), (8778, 227781), (11286, 177163), (13167, 151854), (25309, 79002), (26334, 75927), (39501, 50618)]