19943370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 54739152

約数和(自身を除く): 34795782

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 53, 74, 90, 106, 111, 113, 159, 185, 222, 226, 265, 318, 333, 339, 370, 477, 530, 555, 565, 666, 678, 795, 954, 1017, 1110, 1130, 1590, 1665, 1695, 1961, 2034, 2385, 3330, 3390, 3922, 4181, 4770, 5085, 5883, 5989, 8362, 9805, 10170, 11766, 11978, 12543, 17649, 17967, 19610, 20905, 25086, 29415, 29945, 35298, 35934, 37629, 41810, 53901, 58830, 59890, 62715, 75258, 88245, 89835, 107802, 125430, 176490, 179670, 188145, 221593, 269505, 376290, 443186, 539010, 664779, 1107965, 1329558, 1994337, 2215930, 3323895, 3988674, 6647790, 9971685, 19943370]

約数ペア:

[(1, 19943370), (2, 9971685), (3, 6647790), (5, 3988674), (6, 3323895), (9, 2215930), (10, 1994337), (15, 1329558), (18, 1107965), (30, 664779), (37, 539010), (45, 443186), (53, 376290), (74, 269505), (90, 221593), (106, 188145), (111, 179670), (113, 176490), (159, 125430), (185, 107802), (222, 89835), (226, 88245), (265, 75258), (318, 62715), (333, 59890), (339, 58830), (370, 53901), (477, 41810), (530, 37629), (555, 35934), (565, 35298), (666, 29945), (678, 29415), (795, 25086), (954, 20905), (1017, 19610), (1110, 17967), (1130, 17649), (1590, 12543), (1665, 11978), (1695, 11766), (1961, 10170), (2034, 9805), (2385, 8362), (3330, 5989), (3390, 5883), (3922, 5085), (4181, 4770)]