18921744

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1416

約数の個数: 60

約数和(自身を含む): 53520012

約数和(自身を除く): 34598268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1301, 1616, 1818, 2424, 2602, 3636, 3903, 4848, 5204, 7272, 7806, 10408, 11709, 14544, 15612, 20816, 23418, 31224, 46836, 62448, 93672, 131401, 187344, 262802, 394203, 525604, 788406, 1051208, 1182609, 1576812, 2102416, 2365218, 3153624, 4730436, 6307248, 9460872, 18921744]

約数ペア:

[(1, 18921744), (2, 9460872), (3, 6307248), (4, 4730436), (6, 3153624), (8, 2365218), (9, 2102416), (12, 1576812), (16, 1182609), (18, 1051208), (24, 788406), (36, 525604), (48, 394203), (72, 262802), (101, 187344), (144, 131401), (202, 93672), (303, 62448), (404, 46836), (606, 31224), (808, 23418), (909, 20816), (1212, 15612), (1301, 14544), (1616, 11709), (1818, 10408), (2424, 7806), (2602, 7272), (3636, 5204), (3903, 4848)]