19730970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31319}}^1$

素因数の和:31339

約数の個数: 48

約数和(自身を含む): 58631040

約数和(自身を除く): 38900070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31319, 62638, 93957, 156595, 187914, 219233, 281871, 313190, 438466, 469785, 563742, 657699, 939570, 1096165, 1315398, 1409355, 1973097, 2192330, 2818710, 3288495, 3946194, 6576990, 9865485, 19730970]

約数ペア:

[(1, 19730970), (2, 9865485), (3, 6576990), (5, 3946194), (6, 3288495), (7, 2818710), (9, 2192330), (10, 1973097), (14, 1409355), (15, 1315398), (18, 1096165), (21, 939570), (30, 657699), (35, 563742), (42, 469785), (45, 438466), (63, 313190), (70, 281871), (90, 219233), (105, 187914), (126, 156595), (210, 93957), (315, 62638), (630, 31319)]