1919222008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{2621}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 4026762720

約数和(自身を除く): 2107540712

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 157, 212, 314, 424, 583, 628, 1166, 1256, 1727, 2332, 2621, 3454, 4664, 5242, 6908, 8321, 10484, 13816, 16642, 20968, 28831, 33284, 57662, 66568, 91531, 115324, 138913, 183062, 230648, 277826, 366124, 411497, 555652, 732248, 822994, 1111304, 1528043, 1645988, 3056086, 3291976, 4526467, 6112172, 9052934, 12224344, 18105868, 21809341, 36211736, 43618682, 87237364, 174474728, 239902751, 479805502, 959611004, 1919222008]

約数ペア:

[(1, 1919222008), (2, 959611004), (4, 479805502), (8, 239902751), (11, 174474728), (22, 87237364), (44, 43618682), (53, 36211736), (88, 21809341), (106, 18105868), (157, 12224344), (212, 9052934), (314, 6112172), (424, 4526467), (583, 3291976), (628, 3056086), (1166, 1645988), (1256, 1528043), (1727, 1111304), (2332, 822994), (2621, 732248), (3454, 555652), (4664, 411497), (5242, 366124), (6908, 277826), (8321, 230648), (10484, 183062), (13816, 138913), (16642, 115324), (20968, 91531), (28831, 66568), (33284, 57662)]