19481330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 21575950

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 110, 145, 155, 197, 290, 310, 319, 341, 394, 638, 682, 899, 985, 1595, 1705, 1798, 1970, 2167, 3190, 3410, 4334, 4495, 5713, 6107, 8990, 9889, 10835, 11426, 12214, 19778, 21670, 28565, 30535, 49445, 57130, 61070, 62843, 67177, 98890, 125686, 134354, 177103, 314215, 335885, 354206, 628430, 671770, 885515, 1771030, 1948133, 3896266, 9740665, 19481330]

約数ペア:

[(1, 19481330), (2, 9740665), (5, 3896266), (10, 1948133), (11, 1771030), (22, 885515), (29, 671770), (31, 628430), (55, 354206), (58, 335885), (62, 314215), (110, 177103), (145, 134354), (155, 125686), (197, 98890), (290, 67177), (310, 62843), (319, 61070), (341, 57130), (394, 49445), (638, 30535), (682, 28565), (899, 21670), (985, 19778), (1595, 12214), (1705, 11426), (1798, 10835), (1970, 9889), (2167, 8990), (3190, 6107), (3410, 5713), (4334, 4495)]