19161990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9257}}^1$

素因数の和:9293

約数の個数: 48

約数和(自身を含む): 51992928

約数和(自身を除く): 32830938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9257, 18514, 27771, 46285, 55542, 83313, 92570, 138855, 166626, 212911, 277710, 416565, 425822, 638733, 833130, 1064555, 1277466, 1916199, 2129110, 3193665, 3832398, 6387330, 9580995, 19161990]

約数ペア:

[(1, 19161990), (2, 9580995), (3, 6387330), (5, 3832398), (6, 3193665), (9, 2129110), (10, 1916199), (15, 1277466), (18, 1064555), (23, 833130), (30, 638733), (45, 425822), (46, 416565), (69, 277710), (90, 212911), (115, 166626), (138, 138855), (207, 92570), (230, 83313), (345, 55542), (414, 46285), (690, 27771), (1035, 18514), (2070, 9257)]