19604880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 66920568

約数和(自身を除く): 47315688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 373, 438, 584, 657, 720, 730, 746, 876, 1095, 1119, 1168, 1314, 1460, 1492, 1752, 1865, 2190, 2238, 2628, 2920, 2984, 3285, 3357, 3504, 3730, 4380, 4476, 5256, 5595, 5840, 5968, 6570, 6714, 7460, 8760, 8952, 10512, 11190, 13140, 13428, 14920, 16785, 17520, 17904, 22380, 26280, 26856, 27229, 29840, 33570, 44760, 52560, 53712, 54458, 67140, 81687, 89520, 108916, 134280, 136145, 163374, 217832, 245061, 268560, 272290, 326748, 408435, 435664, 490122, 544580, 653496, 816870, 980244, 1089160, 1225305, 1306992, 1633740, 1960488, 2178320, 2450610, 3267480, 3920976, 4901220, 6534960, 9802440, 19604880]

約数ペア:

[(1, 19604880), (2, 9802440), (3, 6534960), (4, 4901220), (5, 3920976), (6, 3267480), (8, 2450610), (9, 2178320), (10, 1960488), (12, 1633740), (15, 1306992), (16, 1225305), (18, 1089160), (20, 980244), (24, 816870), (30, 653496), (36, 544580), (40, 490122), (45, 435664), (48, 408435), (60, 326748), (72, 272290), (73, 268560), (80, 245061), (90, 217832), (120, 163374), (144, 136145), (146, 134280), (180, 108916), (219, 89520), (240, 81687), (292, 67140), (360, 54458), (365, 53712), (373, 52560), (438, 44760), (584, 33570), (657, 29840), (720, 27229), (730, 26856), (746, 26280), (876, 22380), (1095, 17904), (1119, 17520), (1168, 16785), (1314, 14920), (1460, 13428), (1492, 13140), (1752, 11190), (1865, 10512), (2190, 8952), (2238, 8760), (2628, 7460), (2920, 6714), (2984, 6570), (3285, 5968), (3357, 5840), (3504, 5595), (3730, 5256), (4380, 4476)]