18881220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 56827008

約数和(自身を除く): 37945788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 107, 170, 173, 204, 214, 255, 321, 340, 346, 428, 510, 519, 535, 642, 692, 865, 1020, 1038, 1070, 1284, 1605, 1730, 1819, 2076, 2140, 2595, 2941, 3210, 3460, 3638, 5190, 5457, 5882, 6420, 7276, 8823, 9095, 10380, 10914, 11764, 14705, 17646, 18190, 18511, 21828, 27285, 29410, 35292, 36380, 37022, 44115, 54570, 55533, 58820, 74044, 88230, 92555, 109140, 111066, 176460, 185110, 222132, 277665, 314687, 370220, 555330, 629374, 944061, 1110660, 1258748, 1573435, 1888122, 3146870, 3776244, 4720305, 6293740, 9440610, 18881220]

約数ペア:

[(1, 18881220), (2, 9440610), (3, 6293740), (4, 4720305), (5, 3776244), (6, 3146870), (10, 1888122), (12, 1573435), (15, 1258748), (17, 1110660), (20, 944061), (30, 629374), (34, 555330), (51, 370220), (60, 314687), (68, 277665), (85, 222132), (102, 185110), (107, 176460), (170, 111066), (173, 109140), (204, 92555), (214, 88230), (255, 74044), (321, 58820), (340, 55533), (346, 54570), (428, 44115), (510, 37022), (519, 36380), (535, 35292), (642, 29410), (692, 27285), (865, 21828), (1020, 18511), (1038, 18190), (1070, 17646), (1284, 14705), (1605, 11764), (1730, 10914), (1819, 10380), (2076, 9095), (2140, 8823), (2595, 7276), (2941, 6420), (3210, 5882), (3460, 5457), (3638, 5190)]