19411280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2076

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 35228080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2039, 2380, 4078, 4760, 8156, 9520, 10195, 14273, 16312, 20390, 28546, 32624, 34663, 40780, 57092, 69326, 71365, 81560, 114184, 138652, 142730, 163120, 173315, 228368, 242641, 277304, 285460, 346630, 485282, 554608, 570920, 693260, 970564, 1141840, 1213205, 1386520, 1941128, 2426410, 2773040, 3882256, 4852820, 9705640, 19411280]

約数ペア:

[(1, 19411280), (2, 9705640), (4, 4852820), (5, 3882256), (7, 2773040), (8, 2426410), (10, 1941128), (14, 1386520), (16, 1213205), (17, 1141840), (20, 970564), (28, 693260), (34, 570920), (35, 554608), (40, 485282), (56, 346630), (68, 285460), (70, 277304), (80, 242641), (85, 228368), (112, 173315), (119, 163120), (136, 142730), (140, 138652), (170, 114184), (238, 81560), (272, 71365), (280, 69326), (340, 57092), (476, 40780), (560, 34663), (595, 32624), (680, 28546), (952, 20390), (1190, 16312), (1360, 14273), (1904, 10195), (2039, 9520), (2380, 8156), (4078, 4760)]