19199972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 19749148

約数列:

[1, 2, 4, 11, 22, 29, 41, 44, 58, 82, 116, 164, 319, 367, 451, 638, 734, 902, 1189, 1276, 1468, 1804, 2378, 4037, 4756, 8074, 10643, 13079, 15047, 16148, 21286, 26158, 30094, 42572, 52316, 60188, 117073, 165517, 234146, 331034, 436363, 468292, 662068, 872726, 1745452, 4799993, 9599986, 19199972]

約数ペア:

[(1, 19199972), (2, 9599986), (4, 4799993), (11, 1745452), (22, 872726), (29, 662068), (41, 468292), (44, 436363), (58, 331034), (82, 234146), (116, 165517), (164, 117073), (319, 60188), (367, 52316), (451, 42572), (638, 30094), (734, 26158), (902, 21286), (1189, 16148), (1276, 15047), (1468, 13079), (1804, 10643), (2378, 8074), (4037, 4756)]