19950944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 42688800

約数和(自身を除く): 22737856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 199, 208, 241, 398, 416, 482, 796, 964, 1592, 1928, 2587, 3133, 3184, 3856, 5174, 6266, 6368, 7712, 10348, 12532, 20696, 25064, 41392, 47959, 50128, 82784, 95918, 100256, 191836, 383672, 623467, 767344, 1246934, 1534688, 2493868, 4987736, 9975472, 19950944]

約数ペア:

[(1, 19950944), (2, 9975472), (4, 4987736), (8, 2493868), (13, 1534688), (16, 1246934), (26, 767344), (32, 623467), (52, 383672), (104, 191836), (199, 100256), (208, 95918), (241, 82784), (398, 50128), (416, 47959), (482, 41392), (796, 25064), (964, 20696), (1592, 12532), (1928, 10348), (2587, 7712), (3133, 6368), (3184, 6266), (3856, 5174)]