18566800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 53816000

約数和(自身を除く): 35249200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 175, 190, 200, 266, 280, 304, 349, 350, 380, 400, 475, 532, 560, 665, 698, 700, 760, 950, 1064, 1330, 1396, 1400, 1520, 1745, 1900, 2128, 2443, 2660, 2792, 2800, 3325, 3490, 3800, 4886, 5320, 5584, 6631, 6650, 6980, 7600, 8725, 9772, 10640, 12215, 13262, 13300, 13960, 17450, 19544, 24430, 26524, 26600, 27920, 33155, 34900, 39088, 46417, 48860, 53048, 53200, 61075, 66310, 69800, 92834, 97720, 106096, 122150, 132620, 139600, 165775, 185668, 195440, 232085, 244300, 265240, 331550, 371336, 464170, 488600, 530480, 663100, 742672, 928340, 977200, 1160425, 1326200, 1856680, 2320850, 2652400, 3713360, 4641700, 9283400, 18566800]

約数ペア:

[(1, 18566800), (2, 9283400), (4, 4641700), (5, 3713360), (7, 2652400), (8, 2320850), (10, 1856680), (14, 1326200), (16, 1160425), (19, 977200), (20, 928340), (25, 742672), (28, 663100), (35, 530480), (38, 488600), (40, 464170), (50, 371336), (56, 331550), (70, 265240), (76, 244300), (80, 232085), (95, 195440), (100, 185668), (112, 165775), (133, 139600), (140, 132620), (152, 122150), (175, 106096), (190, 97720), (200, 92834), (266, 69800), (280, 66310), (304, 61075), (349, 53200), (350, 53048), (380, 48860), (400, 46417), (475, 39088), (532, 34900), (560, 33155), (665, 27920), (698, 26600), (700, 26524), (760, 24430), (950, 19544), (1064, 17450), (1330, 13960), (1396, 13300), (1400, 13262), (1520, 12215), (1745, 10640), (1900, 9772), (2128, 8725), (2443, 7600), (2660, 6980), (2792, 6650), (2800, 6631), (3325, 5584), (3490, 5320), (3800, 4886)]