19361320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 28849880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 557, 632, 790, 869, 1114, 1580, 1738, 2228, 2785, 3160, 3476, 4345, 4456, 5570, 6127, 6952, 8690, 11140, 12254, 17380, 22280, 24508, 30635, 34760, 44003, 49016, 61270, 88006, 122540, 176012, 220015, 245080, 352024, 440030, 484033, 880060, 968066, 1760120, 1936132, 2420165, 3872264, 4840330, 9680660, 19361320]

約数ペア:

[(1, 19361320), (2, 9680660), (4, 4840330), (5, 3872264), (8, 2420165), (10, 1936132), (11, 1760120), (20, 968066), (22, 880060), (40, 484033), (44, 440030), (55, 352024), (79, 245080), (88, 220015), (110, 176012), (158, 122540), (220, 88006), (316, 61270), (395, 49016), (440, 44003), (557, 34760), (632, 30635), (790, 24508), (869, 22280), (1114, 17380), (1580, 12254), (1738, 11140), (2228, 8690), (2785, 6952), (3160, 6127), (3476, 5570), (4345, 4456)]