20191727738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^2\times {\mathrm{257}}^1$

素因数の和:576

約数の個数: 96

約数和(自身を含む): 39336240384

約数和(自身を除く): 19144512646

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 137, 161, 182, 257, 274, 299, 322, 514, 598, 959, 1781, 1799, 1918, 2093, 3151, 3341, 3562, 3598, 4186, 5911, 6302, 6682, 11822, 12467, 18769, 22057, 23387, 24934, 35209, 37538, 40963, 41377, 44114, 46774, 70418, 76843, 81926, 82754, 131383, 153686, 243997, 246463, 262766, 286741, 431687, 457717, 487994, 492926, 537901, 573482, 809807, 863374, 915434, 1075802, 1619614, 1707979, 3021809, 3204019, 3415958, 4823633, 5611931, 5668649, 6043618, 6408038, 9647266, 10527491, 11223862, 11337298, 21054982, 33765431, 39283517, 62707229, 67530862, 73692437, 78567034, 110943559, 125414458, 147384874, 221887118, 438950603, 776604913, 877901206, 1442266267, 1553209826, 2884532534, 10095863869, 20191727738]

約数ペア:

[(1, 20191727738), (2, 10095863869), (7, 2884532534), (13, 1553209826), (14, 1442266267), (23, 877901206), (26, 776604913), (46, 438950603), (91, 221887118), (137, 147384874), (161, 125414458), (182, 110943559), (257, 78567034), (274, 73692437), (299, 67530862), (322, 62707229), (514, 39283517), (598, 33765431), (959, 21054982), (1781, 11337298), (1799, 11223862), (1918, 10527491), (2093, 9647266), (3151, 6408038), (3341, 6043618), (3562, 5668649), (3598, 5611931), (4186, 4823633), (5911, 3415958), (6302, 3204019), (6682, 3021809), (11822, 1707979), (12467, 1619614), (18769, 1075802), (22057, 915434), (23387, 863374), (24934, 809807), (35209, 573482), (37538, 537901), (40963, 492926), (41377, 487994), (44114, 457717), (46774, 431687), (70418, 286741), (76843, 262766), (81926, 246463), (82754, 243997), (131383, 153686)]