17991584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 38825640

約数和(自身を除く): 20834056

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 709, 793, 976, 1418, 1586, 1952, 2836, 3172, 5672, 6344, 9217, 11344, 12688, 18434, 22688, 25376, 36868, 43249, 73736, 86498, 147472, 172996, 294944, 345992, 562237, 691984, 1124474, 1383968, 2248948, 4497896, 8995792, 17991584]

約数ペア:

[(1, 17991584), (2, 8995792), (4, 4497896), (8, 2248948), (13, 1383968), (16, 1124474), (26, 691984), (32, 562237), (52, 345992), (61, 294944), (104, 172996), (122, 147472), (208, 86498), (244, 73736), (416, 43249), (488, 36868), (709, 25376), (793, 22688), (976, 18434), (1418, 12688), (1586, 11344), (1952, 9217), (2836, 6344), (3172, 5672)]