19886312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3191}}^1$

素因数の和:3257

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20332888

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3191, 6232, 6382, 12764, 25528, 60629, 121258, 130831, 242516, 261662, 485032, 523324, 1046648, 2485789, 4971578, 9943156, 19886312]

約数ペア:

[(1, 19886312), (2, 9943156), (4, 4971578), (8, 2485789), (19, 1046648), (38, 523324), (41, 485032), (76, 261662), (82, 242516), (152, 130831), (164, 121258), (328, 60629), (779, 25528), (1558, 12764), (3116, 6382), (3191, 6232)]