18962370

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 58982400

約数和(自身を除く): 40020030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 79, 90, 105, 126, 127, 135, 158, 189, 210, 237, 254, 270, 315, 378, 381, 395, 474, 553, 630, 635, 711, 762, 790, 889, 945, 1106, 1143, 1185, 1270, 1422, 1659, 1778, 1890, 1905, 2133, 2286, 2370, 2667, 2765, 3318, 3429, 3555, 3810, 4266, 4445, 4977, 5334, 5530, 5715, 6858, 7110, 8001, 8295, 8890, 9954, 10033, 10665, 11430, 13335, 14931, 16002, 16590, 17145, 20066, 21330, 24003, 24885, 26670, 29862, 30099, 34290, 40005, 48006, 49770, 50165, 60198, 70231, 74655, 80010, 90297, 100330, 120015, 140462, 149310, 150495, 180594, 210693, 240030, 270891, 300990, 351155, 421386, 451485, 541782, 632079, 702310, 902970, 1053465, 1264158, 1354455, 1896237, 2106930, 2708910, 3160395, 3792474, 6320790, 9481185, 18962370]

約数ペア:

[(1, 18962370), (2, 9481185), (3, 6320790), (5, 3792474), (6, 3160395), (7, 2708910), (9, 2106930), (10, 1896237), (14, 1354455), (15, 1264158), (18, 1053465), (21, 902970), (27, 702310), (30, 632079), (35, 541782), (42, 451485), (45, 421386), (54, 351155), (63, 300990), (70, 270891), (79, 240030), (90, 210693), (105, 180594), (126, 150495), (127, 149310), (135, 140462), (158, 120015), (189, 100330), (210, 90297), (237, 80010), (254, 74655), (270, 70231), (315, 60198), (378, 50165), (381, 49770), (395, 48006), (474, 40005), (553, 34290), (630, 30099), (635, 29862), (711, 26670), (762, 24885), (790, 24003), (889, 21330), (945, 20066), (1106, 17145), (1143, 16590), (1185, 16002), (1270, 14931), (1422, 13335), (1659, 11430), (1778, 10665), (1890, 10033), (1905, 9954), (2133, 8890), (2286, 8295), (2370, 8001), (2667, 7110), (2765, 6858), (3318, 5715), (3429, 5530), (3555, 5334), (3810, 4977), (4266, 4445)]