19160020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 28740140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 109, 110, 170, 187, 188, 218, 220, 235, 340, 374, 436, 470, 517, 545, 748, 799, 935, 940, 1034, 1090, 1199, 1598, 1853, 1870, 2068, 2180, 2398, 2585, 3196, 3706, 3740, 3995, 4796, 5123, 5170, 5995, 7412, 7990, 8789, 9265, 10246, 10340, 11990, 15980, 17578, 18530, 20383, 20492, 23980, 25615, 35156, 37060, 40766, 43945, 51230, 56353, 81532, 87091, 87890, 101915, 102460, 112706, 174182, 175780, 203830, 225412, 281765, 348364, 407660, 435455, 563530, 870910, 958001, 1127060, 1741820, 1916002, 3832004, 4790005, 9580010, 19160020]

約数ペア:

[(1, 19160020), (2, 9580010), (4, 4790005), (5, 3832004), (10, 1916002), (11, 1741820), (17, 1127060), (20, 958001), (22, 870910), (34, 563530), (44, 435455), (47, 407660), (55, 348364), (68, 281765), (85, 225412), (94, 203830), (109, 175780), (110, 174182), (170, 112706), (187, 102460), (188, 101915), (218, 87890), (220, 87091), (235, 81532), (340, 56353), (374, 51230), (436, 43945), (470, 40766), (517, 37060), (545, 35156), (748, 25615), (799, 23980), (935, 20492), (940, 20383), (1034, 18530), (1090, 17578), (1199, 15980), (1598, 11990), (1853, 10340), (1870, 10246), (2068, 9265), (2180, 8789), (2398, 7990), (2585, 7412), (3196, 5995), (3706, 5170), (3740, 5123), (3995, 4796)]