17944060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 39231360

約数和(自身を除く): 21287300

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 277, 316, 395, 410, 554, 790, 820, 1108, 1385, 1580, 2770, 3239, 5540, 6478, 11357, 12956, 16195, 21883, 22714, 32390, 43766, 45428, 56785, 64780, 87532, 109415, 113570, 218830, 227140, 437660, 897203, 1794406, 3588812, 4486015, 8972030, 17944060]

約数ペア:

[(1, 17944060), (2, 8972030), (4, 4486015), (5, 3588812), (10, 1794406), (20, 897203), (41, 437660), (79, 227140), (82, 218830), (158, 113570), (164, 109415), (205, 87532), (277, 64780), (316, 56785), (395, 45428), (410, 43766), (554, 32390), (790, 22714), (820, 21883), (1108, 16195), (1385, 12956), (1580, 11357), (2770, 6478), (3239, 5540)]