18852870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29047290

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 89, 115, 138, 178, 230, 267, 307, 345, 445, 534, 614, 690, 890, 921, 1335, 1535, 1842, 2047, 2670, 3070, 4094, 4605, 6141, 7061, 9210, 10235, 12282, 14122, 20470, 21183, 27323, 30705, 35305, 42366, 54646, 61410, 70610, 81969, 105915, 136615, 163938, 211830, 273230, 409845, 628429, 819690, 1256858, 1885287, 3142145, 3770574, 6284290, 9426435, 18852870]

約数ペア:

[(1, 18852870), (2, 9426435), (3, 6284290), (5, 3770574), (6, 3142145), (10, 1885287), (15, 1256858), (23, 819690), (30, 628429), (46, 409845), (69, 273230), (89, 211830), (115, 163938), (138, 136615), (178, 105915), (230, 81969), (267, 70610), (307, 61410), (345, 54646), (445, 42366), (534, 35305), (614, 30705), (690, 27323), (890, 21183), (921, 20470), (1335, 14122), (1535, 12282), (1842, 10235), (2047, 9210), (2670, 7061), (3070, 6141), (4094, 4605)]