18975460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 29795612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 83, 92, 115, 140, 142, 161, 166, 230, 284, 322, 332, 355, 415, 460, 497, 581, 644, 710, 805, 830, 994, 1162, 1420, 1610, 1633, 1660, 1909, 1988, 2324, 2485, 2905, 3220, 3266, 3818, 4970, 5810, 5893, 6532, 7636, 8165, 9545, 9940, 11431, 11620, 11786, 13363, 16330, 19090, 22862, 23572, 26726, 29465, 32660, 38180, 41251, 45724, 53452, 57155, 58930, 66815, 82502, 114310, 117860, 133630, 135539, 165004, 206255, 228620, 267260, 271078, 412510, 542156, 677695, 825020, 948773, 1355390, 1897546, 2710780, 3795092, 4743865, 9487730, 18975460]

約数ペア:

[(1, 18975460), (2, 9487730), (4, 4743865), (5, 3795092), (7, 2710780), (10, 1897546), (14, 1355390), (20, 948773), (23, 825020), (28, 677695), (35, 542156), (46, 412510), (70, 271078), (71, 267260), (83, 228620), (92, 206255), (115, 165004), (140, 135539), (142, 133630), (161, 117860), (166, 114310), (230, 82502), (284, 66815), (322, 58930), (332, 57155), (355, 53452), (415, 45724), (460, 41251), (497, 38180), (581, 32660), (644, 29465), (710, 26726), (805, 23572), (830, 22862), (994, 19090), (1162, 16330), (1420, 13363), (1610, 11786), (1633, 11620), (1660, 11431), (1909, 9940), (1988, 9545), (2324, 8165), (2485, 7636), (2905, 6532), (3220, 5893), (3266, 5810), (3818, 4970)]