19471998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1921

約数の個数: 64

約数和(自身を含む): 50480640

約数和(自身を除く): 31008642

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1877, 3458, 3754, 5187, 5631, 10374, 11262, 13139, 24401, 26278, 35663, 39417, 48802, 71326, 73203, 78834, 106989, 146406, 170807, 213978, 249641, 341614, 463619, 499282, 512421, 748923, 927238, 1024842, 1390857, 1497846, 2781714, 3245333, 6490666, 9735999, 19471998]

約数ペア:

[(1, 19471998), (2, 9735999), (3, 6490666), (6, 3245333), (7, 2781714), (13, 1497846), (14, 1390857), (19, 1024842), (21, 927238), (26, 748923), (38, 512421), (39, 499282), (42, 463619), (57, 341614), (78, 249641), (91, 213978), (114, 170807), (133, 146406), (182, 106989), (247, 78834), (266, 73203), (273, 71326), (399, 48802), (494, 39417), (546, 35663), (741, 26278), (798, 24401), (1482, 13139), (1729, 11262), (1877, 10374), (3458, 5631), (3754, 5187)]