19379932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 42208992

約数和(自身を除く): 22829060

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1993, 2431, 3986, 4862, 7972, 9724, 21923, 25909, 33881, 43846, 51818, 67762, 87692, 103636, 135524, 284999, 372691, 440453, 569998, 745382, 880906, 1139996, 1490764, 1761812, 4844983, 9689966, 19379932]

約数ペア:

[(1, 19379932), (2, 9689966), (4, 4844983), (11, 1761812), (13, 1490764), (17, 1139996), (22, 880906), (26, 745382), (34, 569998), (44, 440453), (52, 372691), (68, 284999), (143, 135524), (187, 103636), (221, 87692), (286, 67762), (374, 51818), (442, 43846), (572, 33881), (748, 25909), (884, 21923), (1993, 9724), (2431, 7972), (3986, 4862)]