18008260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 21061820

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 151, 178, 268, 302, 335, 356, 445, 604, 670, 755, 890, 1340, 1510, 1780, 3020, 5963, 10117, 11926, 13439, 20234, 23852, 26878, 29815, 40468, 50585, 53756, 59630, 67195, 101170, 119260, 134390, 202340, 268780, 900413, 1800826, 3601652, 4502065, 9004130, 18008260]

約数ペア:

[(1, 18008260), (2, 9004130), (4, 4502065), (5, 3601652), (10, 1800826), (20, 900413), (67, 268780), (89, 202340), (134, 134390), (151, 119260), (178, 101170), (268, 67195), (302, 59630), (335, 53756), (356, 50585), (445, 40468), (604, 29815), (670, 26878), (755, 23852), (890, 20234), (1340, 13439), (1510, 11926), (1780, 10117), (3020, 5963)]