19594480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7901}}^1$

素因数の和:7945

約数の個数: 40

約数和(自身を含む): 47032704

約数和(自身を除く): 27438224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7901, 15802, 31604, 39505, 63208, 79010, 126416, 158020, 244931, 316040, 489862, 632080, 979724, 1224655, 1959448, 2449310, 3918896, 4898620, 9797240, 19594480]

約数ペア:

[(1, 19594480), (2, 9797240), (4, 4898620), (5, 3918896), (8, 2449310), (10, 1959448), (16, 1224655), (20, 979724), (31, 632080), (40, 489862), (62, 316040), (80, 244931), (124, 158020), (155, 126416), (248, 79010), (310, 63208), (496, 39505), (620, 31604), (1240, 15802), (2480, 7901)]