19538464

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1249

約数の個数: 48

約数和(自身を含む): 42892416

約数和(自身を除く): 23353952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1181, 1504, 2068, 2362, 4136, 4724, 8272, 9448, 12991, 16544, 18896, 25982, 37792, 51964, 55507, 103928, 111014, 207856, 222028, 415712, 444056, 610577, 888112, 1221154, 1776224, 2442308, 4884616, 9769232, 19538464]

約数ペア:

[(1, 19538464), (2, 9769232), (4, 4884616), (8, 2442308), (11, 1776224), (16, 1221154), (22, 888112), (32, 610577), (44, 444056), (47, 415712), (88, 222028), (94, 207856), (176, 111014), (188, 103928), (352, 55507), (376, 51964), (517, 37792), (752, 25982), (1034, 18896), (1181, 16544), (1504, 12991), (2068, 9448), (2362, 8272), (4136, 4724)]