19975170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 31812990

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 53, 85, 102, 106, 159, 170, 255, 265, 318, 510, 530, 739, 795, 901, 1478, 1590, 1802, 2217, 2703, 3695, 4434, 4505, 5406, 7390, 9010, 11085, 12563, 13515, 22170, 25126, 27030, 37689, 39167, 62815, 75378, 78334, 117501, 125630, 188445, 195835, 235002, 376890, 391670, 587505, 665839, 1175010, 1331678, 1997517, 3329195, 3995034, 6658390, 9987585, 19975170]

約数ペア:

[(1, 19975170), (2, 9987585), (3, 6658390), (5, 3995034), (6, 3329195), (10, 1997517), (15, 1331678), (17, 1175010), (30, 665839), (34, 587505), (51, 391670), (53, 376890), (85, 235002), (102, 195835), (106, 188445), (159, 125630), (170, 117501), (255, 78334), (265, 75378), (318, 62815), (510, 39167), (530, 37689), (739, 27030), (795, 25126), (901, 22170), (1478, 13515), (1590, 12563), (1802, 11085), (2217, 9010), (2703, 7390), (3695, 5406), (4434, 4505)]