19603958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 36951552

約数和(自身を除く): 17347594

約数列:

[1, 2, 11, 17, 22, 23, 34, 43, 46, 53, 86, 106, 187, 253, 374, 391, 473, 506, 583, 731, 782, 901, 946, 989, 1166, 1219, 1462, 1802, 1978, 2279, 2438, 4301, 4558, 8041, 8602, 9911, 10879, 13409, 16082, 16813, 19822, 20723, 21758, 25069, 26818, 33626, 38743, 41446, 50138, 52417, 77486, 104834, 184943, 227953, 369886, 426173, 455906, 576587, 852346, 891089, 1153174, 1782178, 9801979, 19603958]

約数ペア:

[(1, 19603958), (2, 9801979), (11, 1782178), (17, 1153174), (22, 891089), (23, 852346), (34, 576587), (43, 455906), (46, 426173), (53, 369886), (86, 227953), (106, 184943), (187, 104834), (253, 77486), (374, 52417), (391, 50138), (473, 41446), (506, 38743), (583, 33626), (731, 26818), (782, 25069), (901, 21758), (946, 20723), (989, 19822), (1166, 16813), (1219, 16082), (1462, 13409), (1802, 10879), (1978, 9911), (2279, 8602), (2438, 8041), (4301, 4558)]