19983030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 30336330

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 103, 145, 174, 206, 223, 290, 309, 435, 446, 515, 618, 669, 870, 1030, 1115, 1338, 1545, 2230, 2987, 3090, 3345, 5974, 6467, 6690, 8961, 12934, 14935, 17922, 19401, 22969, 29870, 32335, 38802, 44805, 45938, 64670, 68907, 89610, 97005, 114845, 137814, 194010, 229690, 344535, 666101, 689070, 1332202, 1998303, 3330505, 3996606, 6661010, 9991515, 19983030]

約数ペア:

[(1, 19983030), (2, 9991515), (3, 6661010), (5, 3996606), (6, 3330505), (10, 1998303), (15, 1332202), (29, 689070), (30, 666101), (58, 344535), (87, 229690), (103, 194010), (145, 137814), (174, 114845), (206, 97005), (223, 89610), (290, 68907), (309, 64670), (435, 45938), (446, 44805), (515, 38802), (618, 32335), (669, 29870), (870, 22969), (1030, 19401), (1115, 17922), (1338, 14935), (1545, 12934), (2230, 8961), (2987, 6690), (3090, 6467), (3345, 5974)]