18646950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 55978560

約数和(自身を除く): 37331610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 43, 49, 50, 59, 70, 75, 86, 98, 105, 118, 129, 147, 150, 175, 177, 210, 215, 245, 258, 294, 295, 301, 350, 354, 413, 430, 490, 525, 590, 602, 645, 735, 826, 885, 903, 1050, 1075, 1225, 1239, 1290, 1470, 1475, 1505, 1770, 1806, 2065, 2107, 2150, 2450, 2478, 2537, 2891, 2950, 3010, 3225, 3675, 4130, 4214, 4425, 4515, 5074, 5782, 6195, 6321, 6450, 7350, 7525, 7611, 8673, 8850, 9030, 10325, 10535, 12390, 12642, 12685, 14455, 15050, 15222, 17346, 17759, 20650, 21070, 22575, 25370, 28910, 30975, 31605, 35518, 38055, 43365, 45150, 52675, 53277, 61950, 63210, 63425, 72275, 76110, 86730, 88795, 105350, 106554, 124313, 126850, 144550, 158025, 177590, 190275, 216825, 248626, 266385, 316050, 372939, 380550, 433650, 443975, 532770, 621565, 745878, 887950, 1243130, 1331925, 1864695, 2663850, 3107825, 3729390, 6215650, 9323475, 18646950]

約数ペア:

[(1, 18646950), (2, 9323475), (3, 6215650), (5, 3729390), (6, 3107825), (7, 2663850), (10, 1864695), (14, 1331925), (15, 1243130), (21, 887950), (25, 745878), (30, 621565), (35, 532770), (42, 443975), (43, 433650), (49, 380550), (50, 372939), (59, 316050), (70, 266385), (75, 248626), (86, 216825), (98, 190275), (105, 177590), (118, 158025), (129, 144550), (147, 126850), (150, 124313), (175, 106554), (177, 105350), (210, 88795), (215, 86730), (245, 76110), (258, 72275), (294, 63425), (295, 63210), (301, 61950), (350, 53277), (354, 52675), (413, 45150), (430, 43365), (490, 38055), (525, 35518), (590, 31605), (602, 30975), (645, 28910), (735, 25370), (826, 22575), (885, 21070), (903, 20650), (1050, 17759), (1075, 17346), (1225, 15222), (1239, 15050), (1290, 14455), (1470, 12685), (1475, 12642), (1505, 12390), (1770, 10535), (1806, 10325), (2065, 9030), (2107, 8850), (2150, 8673), (2450, 7611), (2478, 7525), (2537, 7350), (2891, 6450), (2950, 6321), (3010, 6195), (3225, 5782), (3675, 5074), (4130, 4515), (4214, 4425)]