18938082249

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 30380313600

約数和(自身を除く): 11442231351

約数列:

[1, 3, 9, 19, 31, 57, 89, 93, 137, 171, 267, 279, 293, 411, 589, 801, 879, 1233, 1691, 1767, 2603, 2637, 2759, 4247, 5073, 5301, 5567, 7809, 8277, 9083, 12193, 12741, 15219, 16701, 23427, 24831, 26077, 27249, 36579, 38223, 40141, 50103, 52421, 78231, 80693, 81747, 109737, 120423, 157263, 172577, 231667, 234693, 242079, 361269, 377983, 471789, 495463, 517731, 695001, 726237, 762679, 808387, 1133949, 1244371, 1486389, 1553193, 2085003, 2288037, 2425161, 3401847, 3572549, 3733113, 4459167, 6864111, 7181677, 7275483, 10717647, 11199339, 15359353, 21545031, 23643049, 32152941, 46078059, 64635093, 67878431, 70929147, 110749019, 138234177, 203635293, 212787441, 332247057, 610905879, 996741171, 2104231361, 6312694083, 18938082249]

約数ペア:

[(1, 18938082249), (3, 6312694083), (9, 2104231361), (19, 996741171), (31, 610905879), (57, 332247057), (89, 212787441), (93, 203635293), (137, 138234177), (171, 110749019), (267, 70929147), (279, 67878431), (293, 64635093), (411, 46078059), (589, 32152941), (801, 23643049), (879, 21545031), (1233, 15359353), (1691, 11199339), (1767, 10717647), (2603, 7275483), (2637, 7181677), (2759, 6864111), (4247, 4459167), (5073, 3733113), (5301, 3572549), (5567, 3401847), (7809, 2425161), (8277, 2288037), (9083, 2085003), (12193, 1553193), (12741, 1486389), (15219, 1244371), (16701, 1133949), (23427, 808387), (24831, 762679), (26077, 726237), (27249, 695001), (36579, 517731), (38223, 495463), (40141, 471789), (50103, 377983), (52421, 361269), (78231, 242079), (80693, 234693), (81747, 231667), (109737, 172577), (120423, 157263)]