19218720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40039}}^1$

素因数の和:40057

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 41321760

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, 40039, 80078, 120117, 160156, 200195, 240234, 320312, 400390, 480468, 600585, 640624, 800780, 960936, 1201170, 1281248, 1601560, 1921872, 2402340, 3203120, 3843744, 4804680, 6406240, 9609360, 19218720]

約数ペア:

[(1, 19218720), (2, 9609360), (3, 6406240), (4, 4804680), (5, 3843744), (6, 3203120), (8, 2402340), (10, 1921872), (12, 1601560), (15, 1281248), (16, 1201170), (20, 960936), (24, 800780), (30, 640624), (32, 600585), (40, 480468), (48, 400390), (60, 320312), (80, 240234), (96, 200195), (120, 160156), (160, 120117), (240, 80078), (480, 40039)]