19948038

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 48148992

約数和(自身を除く): 28200954

約数列:

[1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 102, 138, 187, 253, 374, 391, 506, 561, 759, 773, 782, 1122, 1173, 1518, 1546, 2319, 2346, 4301, 4638, 8503, 8602, 12903, 13141, 17006, 17779, 25509, 25806, 26282, 35558, 39423, 51018, 53337, 78846, 106674, 144551, 195569, 289102, 302243, 391138, 433653, 586707, 604486, 867306, 906729, 1173414, 1813458, 3324673, 6649346, 9974019, 19948038]

約数ペア:

[(1, 19948038), (2, 9974019), (3, 6649346), (6, 3324673), (11, 1813458), (17, 1173414), (22, 906729), (23, 867306), (33, 604486), (34, 586707), (46, 433653), (51, 391138), (66, 302243), (69, 289102), (102, 195569), (138, 144551), (187, 106674), (253, 78846), (374, 53337), (391, 51018), (506, 39423), (561, 35558), (759, 26282), (773, 25806), (782, 25509), (1122, 17779), (1173, 17006), (1518, 13141), (1546, 12903), (2319, 8602), (2346, 8503), (4301, 4638)]