19537760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 96

約数和(自身を含む): 53397792

約数和(自身を除く): 33860032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 653, 680, 748, 880, 935, 1306, 1360, 1496, 1760, 1870, 2612, 2720, 2992, 3265, 3740, 5224, 5984, 6530, 7183, 7480, 10448, 11101, 13060, 14366, 14960, 20896, 22202, 26120, 28732, 29920, 35915, 44404, 52240, 55505, 57464, 71830, 88808, 104480, 111010, 114928, 122111, 143660, 177616, 222020, 229856, 244222, 287320, 355232, 444040, 488444, 574640, 610555, 888080, 976888, 1149280, 1221110, 1776160, 1953776, 2442220, 3907552, 4884440, 9768880, 19537760]

約数ペア:

[(1, 19537760), (2, 9768880), (4, 4884440), (5, 3907552), (8, 2442220), (10, 1953776), (11, 1776160), (16, 1221110), (17, 1149280), (20, 976888), (22, 888080), (32, 610555), (34, 574640), (40, 488444), (44, 444040), (55, 355232), (68, 287320), (80, 244222), (85, 229856), (88, 222020), (110, 177616), (136, 143660), (160, 122111), (170, 114928), (176, 111010), (187, 104480), (220, 88808), (272, 71830), (340, 57464), (352, 55505), (374, 52240), (440, 44404), (544, 35915), (653, 29920), (680, 28732), (748, 26120), (880, 22202), (935, 20896), (1306, 14960), (1360, 14366), (1496, 13060), (1760, 11101), (1870, 10448), (2612, 7480), (2720, 7183), (2992, 6530), (3265, 5984), (3740, 5224)]