1916209.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 77077440

約数和(自身を除く): 46408120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1621, 1720, 1892, 2365, 3242, 3784, 4730, 6484, 8105, 9460, 12968, 16210, 17831, 18920, 32420, 35662, 64840, 69703, 71324, 89155, 139406, 142648, 178310, 278812, 348515, 356620, 557624, 697030, 713240, 766733, 1394060, 1533466, 2788120, 3066932, 3833665, 6133864, 7667330, 15334660, 30669320]

約数ペア:

[(1, 30669320), (2, 15334660), (4, 7667330), (5, 6133864), (8, 3833665), (10, 3066932), (11, 2788120), (20, 1533466), (22, 1394060), (40, 766733), (43, 713240), (44, 697030), (55, 557624), (86, 356620), (88, 348515), (110, 278812), (172, 178310), (215, 142648), (220, 139406), (344, 89155), (430, 71324), (440, 69703), (473, 64840), (860, 35662), (946, 32420), (1621, 18920), (1720, 17831), (1892, 16210), (2365, 12968), (3242, 9460), (3784, 8105), (4730, 6484)]