17819930

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 15177958

約数列:

[1, 2, 5, 10, 61, 122, 131, 223, 262, 305, 446, 610, 655, 1115, 1310, 2230, 7991, 13603, 15982, 27206, 29213, 39955, 58426, 68015, 79910, 136030, 146065, 292130, 1781993, 3563986, 8909965, 17819930]

約数ペア:

[(1, 17819930), (2, 8909965), (5, 3563986), (10, 1781993), (61, 292130), (122, 146065), (131, 136030), (223, 79910), (262, 68015), (305, 58426), (446, 39955), (610, 29213), (655, 27206), (1115, 15982), (1310, 13603), (2230, 7991)]