19845630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 63217440

約数和(自身を除く): 43371810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 109, 119, 126, 153, 170, 210, 218, 238, 255, 289, 306, 315, 327, 357, 510, 545, 578, 595, 630, 654, 714, 763, 765, 867, 981, 1071, 1090, 1190, 1445, 1526, 1530, 1635, 1734, 1785, 1853, 1962, 2023, 2142, 2289, 2601, 2890, 3270, 3570, 3706, 3815, 4046, 4335, 4578, 4905, 5202, 5355, 5559, 6069, 6867, 7630, 8670, 9265, 9810, 10115, 10710, 11118, 11445, 12138, 12971, 13005, 13734, 16677, 18207, 18530, 20230, 22890, 25942, 26010, 27795, 30345, 31501, 33354, 34335, 36414, 38913, 55590, 60690, 63002, 64855, 68670, 77826, 83385, 91035, 94503, 116739, 129710, 157505, 166770, 182070, 189006, 194565, 220507, 233478, 283509, 315010, 389130, 441014, 472515, 567018, 583695, 661521, 945030, 1102535, 1167390, 1323042, 1417545, 1984563, 2205070, 2835090, 3307605, 3969126, 6615210, 9922815, 19845630]

約数ペア:

[(1, 19845630), (2, 9922815), (3, 6615210), (5, 3969126), (6, 3307605), (7, 2835090), (9, 2205070), (10, 1984563), (14, 1417545), (15, 1323042), (17, 1167390), (18, 1102535), (21, 945030), (30, 661521), (34, 583695), (35, 567018), (42, 472515), (45, 441014), (51, 389130), (63, 315010), (70, 283509), (85, 233478), (90, 220507), (102, 194565), (105, 189006), (109, 182070), (119, 166770), (126, 157505), (153, 129710), (170, 116739), (210, 94503), (218, 91035), (238, 83385), (255, 77826), (289, 68670), (306, 64855), (315, 63002), (327, 60690), (357, 55590), (510, 38913), (545, 36414), (578, 34335), (595, 33354), (630, 31501), (654, 30345), (714, 27795), (763, 26010), (765, 25942), (867, 22890), (981, 20230), (1071, 18530), (1090, 18207), (1190, 16677), (1445, 13734), (1526, 13005), (1530, 12971), (1635, 12138), (1734, 11445), (1785, 11118), (1853, 10710), (1962, 10115), (2023, 9810), (2142, 9265), (2289, 8670), (2601, 7630), (2890, 6867), (3270, 6069), (3570, 5559), (3706, 5355), (3815, 5202), (4046, 4905), (4335, 4578)]