19085770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 40227840

約数和(自身を除く): 21142070

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 110, 145, 155, 193, 290, 310, 319, 341, 386, 638, 682, 899, 965, 1595, 1705, 1798, 1930, 2123, 3190, 3410, 4246, 4495, 5597, 5983, 8990, 9889, 10615, 11194, 11966, 19778, 21230, 27985, 29915, 49445, 55970, 59830, 61567, 65813, 98890, 123134, 131626, 173507, 307835, 329065, 347014, 615670, 658130, 867535, 1735070, 1908577, 3817154, 9542885, 19085770]

約数ペア:

[(1, 19085770), (2, 9542885), (5, 3817154), (10, 1908577), (11, 1735070), (22, 867535), (29, 658130), (31, 615670), (55, 347014), (58, 329065), (62, 307835), (110, 173507), (145, 131626), (155, 123134), (193, 98890), (290, 65813), (310, 61567), (319, 59830), (341, 55970), (386, 49445), (638, 29915), (682, 27985), (899, 21230), (965, 19778), (1595, 11966), (1705, 11194), (1798, 10615), (1930, 9889), (2123, 8990), (3190, 5983), (3410, 5597), (4246, 4495)]