19546480

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3347}}^1$

素因数の和:3433

約数の個数: 40

約数和(自身を含む): 46081872

約数和(自身を除く): 26535392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3347, 5840, 6694, 13388, 16735, 26776, 33470, 53552, 66940, 133880, 244331, 267760, 488662, 977324, 1221655, 1954648, 2443310, 3909296, 4886620, 9773240, 19546480]

約数ペア:

[(1, 19546480), (2, 9773240), (4, 4886620), (5, 3909296), (8, 2443310), (10, 1954648), (16, 1221655), (20, 977324), (40, 488662), (73, 267760), (80, 244331), (146, 133880), (292, 66940), (365, 53552), (584, 33470), (730, 26776), (1168, 16735), (1460, 13388), (2920, 6694), (3347, 5840)]