19606560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40847}}^1$

素因数の和:40865

約数の個数: 48

約数和(自身を含む): 61762176

約数和(自身を除く): 42155616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40847, 81694, 122541, 163388, 204235, 245082, 326776, 408470, 490164, 612705, 653552, 816940, 980328, 1225410, 1307104, 1633880, 1960656, 2450820, 3267760, 3921312, 4901640, 6535520, 9803280, 19606560]

約数ペア:

[(1, 19606560), (2, 9803280), (3, 6535520), (4, 4901640), (5, 3921312), (6, 3267760), (8, 2450820), (10, 1960656), (12, 1633880), (15, 1307104), (16, 1225410), (20, 980328), (24, 816940), (30, 653552), (32, 612705), (40, 490164), (48, 408470), (60, 326776), (80, 245082), (96, 204235), (120, 163388), (160, 122541), (240, 81694), (480, 40847)]