19810848

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36435552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 61, 68, 96, 102, 122, 136, 183, 199, 204, 244, 272, 366, 398, 408, 488, 544, 597, 732, 796, 816, 976, 1037, 1194, 1464, 1592, 1632, 1952, 2074, 2388, 2928, 3111, 3184, 3383, 4148, 4776, 5856, 6222, 6368, 6766, 8296, 9552, 10149, 12139, 12444, 13532, 16592, 19104, 20298, 24278, 24888, 27064, 33184, 36417, 40596, 48556, 49776, 54128, 72834, 81192, 97112, 99552, 108256, 145668, 162384, 194224, 206363, 291336, 324768, 388448, 412726, 582672, 619089, 825452, 1165344, 1238178, 1650904, 2476356, 3301808, 4952712, 6603616, 9905424, 19810848]

約数ペア:

[(1, 19810848), (2, 9905424), (3, 6603616), (4, 4952712), (6, 3301808), (8, 2476356), (12, 1650904), (16, 1238178), (17, 1165344), (24, 825452), (32, 619089), (34, 582672), (48, 412726), (51, 388448), (61, 324768), (68, 291336), (96, 206363), (102, 194224), (122, 162384), (136, 145668), (183, 108256), (199, 99552), (204, 97112), (244, 81192), (272, 72834), (366, 54128), (398, 49776), (408, 48556), (488, 40596), (544, 36417), (597, 33184), (732, 27064), (796, 24888), (816, 24278), (976, 20298), (1037, 19104), (1194, 16592), (1464, 13532), (1592, 12444), (1632, 12139), (1952, 10149), (2074, 9552), (2388, 8296), (2928, 6766), (3111, 6368), (3184, 6222), (3383, 5856), (4148, 4776)]