19702796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18907636

約数列:

[1, 2, 4, 17, 34, 37, 41, 68, 74, 82, 148, 164, 191, 382, 629, 697, 764, 1258, 1394, 1517, 2516, 2788, 3034, 3247, 6068, 6494, 7067, 7831, 12988, 14134, 15662, 25789, 28268, 31324, 51578, 103156, 120139, 133127, 240278, 266254, 289747, 480556, 532508, 579494, 1158988, 4925699, 9851398, 19702796]

約数ペア:

[(1, 19702796), (2, 9851398), (4, 4925699), (17, 1158988), (34, 579494), (37, 532508), (41, 480556), (68, 289747), (74, 266254), (82, 240278), (148, 133127), (164, 120139), (191, 103156), (382, 51578), (629, 31324), (697, 28268), (764, 25789), (1258, 15662), (1394, 14134), (1517, 12988), (2516, 7831), (2788, 7067), (3034, 6494), (3247, 6068)]