17921172

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 43377152

約数和(自身を除く): 25455980

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 181, 222, 223, 362, 444, 446, 543, 669, 724, 892, 1086, 1338, 2172, 2676, 6697, 8251, 13394, 16502, 20091, 24753, 26788, 33004, 40182, 40363, 49506, 80364, 80726, 99012, 121089, 161452, 242178, 484356, 1493431, 2986862, 4480293, 5973724, 8960586, 17921172]

約数ペア:

[(1, 17921172), (2, 8960586), (3, 5973724), (4, 4480293), (6, 2986862), (12, 1493431), (37, 484356), (74, 242178), (111, 161452), (148, 121089), (181, 99012), (222, 80726), (223, 80364), (362, 49506), (444, 40363), (446, 40182), (543, 33004), (669, 26788), (724, 24753), (892, 20091), (1086, 16502), (1338, 13394), (2172, 8251), (2676, 6697)]