199921192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{16649}}^1$

素因数の和:16753

約数の個数: 32

約数和(自身を含む): 399600000

約数和(自身を除く): 199678808

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 3002, 6004, 12008, 16649, 33298, 66596, 133192, 316331, 632662, 1265324, 1315271, 2530648, 2630542, 5261084, 10522168, 24990149, 49980298, 99960596, 199921192]

約数ペア:

[(1, 199921192), (2, 99960596), (4, 49980298), (8, 24990149), (19, 10522168), (38, 5261084), (76, 2630542), (79, 2530648), (152, 1315271), (158, 1265324), (316, 632662), (632, 316331), (1501, 133192), (3002, 66596), (6004, 33298), (12008, 16649)]