19153040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7767

約数の個数: 40

約数和(自身を含む): 45973248

約数和(自身を除く): 26820208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7723, 15446, 30892, 38615, 61784, 77230, 123568, 154460, 239413, 308920, 478826, 617840, 957652, 1197065, 1915304, 2394130, 3830608, 4788260, 9576520, 19153040]

約数ペア:

[(1, 19153040), (2, 9576520), (4, 4788260), (5, 3830608), (8, 2394130), (10, 1915304), (16, 1197065), (20, 957652), (31, 617840), (40, 478826), (62, 308920), (80, 239413), (124, 154460), (155, 123568), (248, 77230), (310, 61784), (496, 38615), (620, 30892), (1240, 15446), (2480, 7723)]