19766781864

素因数分解:

$2^3\times 3^4\times {\mathrm{457}}^1\times {\mathrm{66749}}^1$

素因数の和:67224

約数の個数: 80

約数和(自身を含む): 55487272500

約数和(自身を除く): 35720490636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 457, 648, 914, 1371, 1828, 2742, 3656, 4113, 5484, 8226, 10968, 12339, 16452, 24678, 32904, 37017, 49356, 66749, 74034, 98712, 133498, 148068, 200247, 266996, 296136, 400494, 533992, 600741, 800988, 1201482, 1601976, 1802223, 2402964, 3604446, 4805928, 5406669, 7208892, 10813338, 14417784, 21626676, 30504293, 43253352, 61008586, 91512879, 122017172, 183025758, 244034344, 274538637, 366051516, 549077274, 732103032, 823615911, 1098154548, 1647231822, 2196309096, 2470847733, 3294463644, 4941695466, 6588927288, 9883390932, 19766781864]

約数ペア:

[(1, 19766781864), (2, 9883390932), (3, 6588927288), (4, 4941695466), (6, 3294463644), (8, 2470847733), (9, 2196309096), (12, 1647231822), (18, 1098154548), (24, 823615911), (27, 732103032), (36, 549077274), (54, 366051516), (72, 274538637), (81, 244034344), (108, 183025758), (162, 122017172), (216, 91512879), (324, 61008586), (457, 43253352), (648, 30504293), (914, 21626676), (1371, 14417784), (1828, 10813338), (2742, 7208892), (3656, 5406669), (4113, 4805928), (5484, 3604446), (8226, 2402964), (10968, 1802223), (12339, 1601976), (16452, 1201482), (24678, 800988), (32904, 600741), (37017, 533992), (49356, 400494), (66749, 296136), (74034, 266996), (98712, 200247), (133498, 148068)]