19935135

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 42052608

約数和(自身を除く): 22117473

約数列:

[1, 3, 5, 9, 11, 15, 17, 23, 33, 45, 51, 55, 69, 85, 99, 103, 115, 153, 165, 187, 207, 253, 255, 309, 345, 391, 495, 515, 561, 759, 765, 927, 935, 1035, 1133, 1173, 1265, 1545, 1683, 1751, 1955, 2277, 2369, 2805, 3399, 3519, 3795, 4301, 4635, 5253, 5665, 5865, 7107, 8415, 8755, 10197, 11385, 11845, 12903, 15759, 16995, 17595, 19261, 21321, 21505, 26059, 26265, 35535, 38709, 40273, 50985, 57783, 64515, 78177, 78795, 96305, 106605, 120819, 130295, 173349, 193545, 201365, 234531, 288915, 362457, 390885, 443003, 604095, 866745, 1172655, 1329009, 1812285, 2215015, 3987027, 6645045, 19935135]

約数ペア:

[(1, 19935135), (3, 6645045), (5, 3987027), (9, 2215015), (11, 1812285), (15, 1329009), (17, 1172655), (23, 866745), (33, 604095), (45, 443003), (51, 390885), (55, 362457), (69, 288915), (85, 234531), (99, 201365), (103, 193545), (115, 173349), (153, 130295), (165, 120819), (187, 106605), (207, 96305), (253, 78795), (255, 78177), (309, 64515), (345, 57783), (391, 50985), (495, 40273), (515, 38709), (561, 35535), (759, 26265), (765, 26059), (927, 21505), (935, 21321), (1035, 19261), (1133, 17595), (1173, 16995), (1265, 15759), (1545, 12903), (1683, 11845), (1751, 11385), (1955, 10197), (2277, 8755), (2369, 8415), (2805, 7107), (3399, 5865), (3519, 5665), (3795, 5253), (4301, 4635)]