19980948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 50489600

約数和(自身を除く): 30508652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 349, 367, 698, 734, 1047, 1101, 1396, 1468, 2094, 2202, 4188, 4404, 4537, 4771, 9074, 9542, 13611, 14313, 18148, 19084, 27222, 28626, 54444, 57252, 128083, 256166, 384249, 512332, 768498, 1536996, 1665079, 3330158, 4995237, 6660316, 9990474, 19980948]

約数ペア:

[(1, 19980948), (2, 9990474), (3, 6660316), (4, 4995237), (6, 3330158), (12, 1665079), (13, 1536996), (26, 768498), (39, 512332), (52, 384249), (78, 256166), (156, 128083), (349, 57252), (367, 54444), (698, 28626), (734, 27222), (1047, 19084), (1101, 18148), (1396, 14313), (1468, 13611), (2094, 9542), (2202, 9074), (4188, 4771), (4404, 4537)]