19741488

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1902

約数の個数: 80

約数和(自身を含む): 58183776

約数和(自身を除く): 38442288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1861, 2652, 3536, 3722, 5304, 5583, 7444, 10608, 11166, 14888, 22332, 24193, 29776, 31637, 44664, 48386, 63274, 72579, 89328, 94911, 96772, 126548, 145158, 189822, 193544, 253096, 290316, 379644, 387088, 411281, 506192, 580632, 759288, 822562, 1161264, 1233843, 1518576, 1645124, 2467686, 3290248, 4935372, 6580496, 9870744, 19741488]

約数ペア:

[(1, 19741488), (2, 9870744), (3, 6580496), (4, 4935372), (6, 3290248), (8, 2467686), (12, 1645124), (13, 1518576), (16, 1233843), (17, 1161264), (24, 822562), (26, 759288), (34, 580632), (39, 506192), (48, 411281), (51, 387088), (52, 379644), (68, 290316), (78, 253096), (102, 193544), (104, 189822), (136, 145158), (156, 126548), (204, 96772), (208, 94911), (221, 89328), (272, 72579), (312, 63274), (408, 48386), (442, 44664), (624, 31637), (663, 29776), (816, 24193), (884, 22332), (1326, 14888), (1768, 11166), (1861, 10608), (2652, 7444), (3536, 5583), (3722, 5304)]