19811304

素因数分解:

$2^3\times 3^6\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 112

約数和(自身を含む): 57710400

約数和(自身を除く): 37899096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 79, 81, 86, 108, 129, 158, 162, 172, 216, 237, 243, 258, 316, 324, 344, 387, 474, 486, 516, 632, 648, 711, 729, 774, 948, 972, 1032, 1161, 1422, 1458, 1548, 1896, 1944, 2133, 2322, 2844, 2916, 3096, 3397, 3483, 4266, 4644, 5688, 5832, 6399, 6794, 6966, 8532, 9288, 10191, 10449, 12798, 13588, 13932, 17064, 19197, 20382, 20898, 25596, 27176, 27864, 30573, 31347, 38394, 40764, 41796, 51192, 57591, 61146, 62694, 76788, 81528, 83592, 91719, 115182, 122292, 125388, 153576, 183438, 230364, 244584, 250776, 275157, 366876, 460728, 550314, 733752, 825471, 1100628, 1650942, 2201256, 2476413, 3301884, 4952826, 6603768, 9905652, 19811304]

約数ペア:

[(1, 19811304), (2, 9905652), (3, 6603768), (4, 4952826), (6, 3301884), (8, 2476413), (9, 2201256), (12, 1650942), (18, 1100628), (24, 825471), (27, 733752), (36, 550314), (43, 460728), (54, 366876), (72, 275157), (79, 250776), (81, 244584), (86, 230364), (108, 183438), (129, 153576), (158, 125388), (162, 122292), (172, 115182), (216, 91719), (237, 83592), (243, 81528), (258, 76788), (316, 62694), (324, 61146), (344, 57591), (387, 51192), (474, 41796), (486, 40764), (516, 38394), (632, 31347), (648, 30573), (711, 27864), (729, 27176), (774, 25596), (948, 20898), (972, 20382), (1032, 19197), (1161, 17064), (1422, 13932), (1458, 13588), (1548, 12798), (1896, 10449), (1944, 10191), (2133, 9288), (2322, 8532), (2844, 6966), (2916, 6794), (3096, 6399), (3397, 5832), (3483, 5688), (4266, 4644)]