1808809880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2380013}}^1$

素因数の和:2380043

約数の個数: 32

約数和(自身を含む): 4284025200

約数和(自身を除く): 2475215320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2380013, 4760026, 9520052, 11900065, 19040104, 23800130, 45220247, 47600260, 90440494, 95200520, 180880988, 226101235, 361761976, 452202470, 904404940, 1808809880]

約数ペア:

[(1, 1808809880), (2, 904404940), (4, 452202470), (5, 361761976), (8, 226101235), (10, 180880988), (19, 95200520), (20, 90440494), (38, 47600260), (40, 45220247), (76, 23800130), (95, 19040104), (152, 11900065), (190, 9520052), (380, 4760026), (760, 2380013)]