18868740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 61133184

約数和(自身を除く): 42264444

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 113, 115, 121, 132, 138, 165, 220, 226, 230, 242, 253, 276, 330, 339, 345, 363, 452, 460, 484, 506, 565, 605, 660, 678, 690, 726, 759, 1012, 1130, 1210, 1243, 1265, 1356, 1380, 1452, 1518, 1695, 1815, 2260, 2420, 2486, 2530, 2599, 2783, 3036, 3390, 3630, 3729, 3795, 4972, 5060, 5198, 5566, 6215, 6780, 7260, 7458, 7590, 7797, 8349, 10396, 11132, 12430, 12995, 13673, 13915, 14916, 15180, 15594, 16698, 18645, 24860, 25990, 27346, 27830, 28589, 31188, 33396, 37290, 38985, 41019, 41745, 51980, 54692, 55660, 57178, 68365, 74580, 77970, 82038, 83490, 85767, 114356, 136730, 142945, 155940, 164076, 166980, 171534, 205095, 273460, 285890, 314479, 343068, 410190, 428835, 571780, 628958, 820380, 857670, 943437, 1257916, 1572395, 1715340, 1886874, 3144790, 3773748, 4717185, 6289580, 9434370, 18868740]

約数ペア:

[(1, 18868740), (2, 9434370), (3, 6289580), (4, 4717185), (5, 3773748), (6, 3144790), (10, 1886874), (11, 1715340), (12, 1572395), (15, 1257916), (20, 943437), (22, 857670), (23, 820380), (30, 628958), (33, 571780), (44, 428835), (46, 410190), (55, 343068), (60, 314479), (66, 285890), (69, 273460), (92, 205095), (110, 171534), (113, 166980), (115, 164076), (121, 155940), (132, 142945), (138, 136730), (165, 114356), (220, 85767), (226, 83490), (230, 82038), (242, 77970), (253, 74580), (276, 68365), (330, 57178), (339, 55660), (345, 54692), (363, 51980), (452, 41745), (460, 41019), (484, 38985), (506, 37290), (565, 33396), (605, 31188), (660, 28589), (678, 27830), (690, 27346), (726, 25990), (759, 24860), (1012, 18645), (1130, 16698), (1210, 15594), (1243, 15180), (1265, 14916), (1356, 13915), (1380, 13673), (1452, 12995), (1518, 12430), (1695, 11132), (1815, 10396), (2260, 8349), (2420, 7797), (2486, 7590), (2530, 7458), (2599, 7260), (2783, 6780), (3036, 6215), (3390, 5566), (3630, 5198), (3729, 5060), (3795, 4972)]