18621018

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 47803392

約数和(自身を除く): 29182374

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 51, 62, 78, 93, 102, 117, 151, 153, 186, 221, 234, 279, 302, 306, 403, 442, 453, 527, 558, 663, 806, 906, 1054, 1209, 1326, 1359, 1581, 1963, 1989, 2418, 2567, 2718, 3162, 3627, 3926, 3978, 4681, 4743, 5134, 5889, 6851, 7254, 7701, 9362, 9486, 11778, 13702, 14043, 15402, 17667, 20553, 23103, 28086, 33371, 35334, 41106, 42129, 46206, 60853, 61659, 66742, 79577, 84258, 100113, 121706, 123318, 159154, 182559, 200226, 238731, 300339, 365118, 477462, 547677, 600678, 716193, 1034501, 1095354, 1432386, 2069002, 3103503, 6207006, 9310509, 18621018]

約数ペア:

[(1, 18621018), (2, 9310509), (3, 6207006), (6, 3103503), (9, 2069002), (13, 1432386), (17, 1095354), (18, 1034501), (26, 716193), (31, 600678), (34, 547677), (39, 477462), (51, 365118), (62, 300339), (78, 238731), (93, 200226), (102, 182559), (117, 159154), (151, 123318), (153, 121706), (186, 100113), (221, 84258), (234, 79577), (279, 66742), (302, 61659), (306, 60853), (403, 46206), (442, 42129), (453, 41106), (527, 35334), (558, 33371), (663, 28086), (806, 23103), (906, 20553), (1054, 17667), (1209, 15402), (1326, 14043), (1359, 13702), (1581, 11778), (1963, 9486), (1989, 9362), (2418, 7701), (2567, 7254), (2718, 6851), (3162, 5889), (3627, 5134), (3926, 4743), (3978, 4681)]