18378889165

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 28710162432

約数和(自身を除く): 10331273267

約数列:

[1, 5, 7, 13, 35, 47, 61, 65, 73, 91, 193, 235, 305, 329, 365, 427, 455, 511, 611, 793, 949, 965, 1351, 1645, 2135, 2509, 2555, 2867, 3055, 3431, 3965, 4277, 4453, 4745, 5551, 6643, 6755, 9071, 11773, 12545, 14089, 14335, 17155, 17563, 20069, 21385, 22265, 24017, 27755, 31171, 33215, 37271, 44603, 45355, 57889, 58865, 63497, 70445, 82411, 87815, 98623, 100345, 117923, 120085, 153049, 155855, 183157, 186355, 209291, 223015, 260897, 289445, 312221, 317485, 405223, 412055, 493115, 553331, 589615, 662183, 765245, 825461, 859429, 915785, 1046455, 1071343, 1282099, 1304485, 1465037, 1561105, 2026115, 2720783, 2766655, 3310915, 3873317, 4127305, 4297145, 4635281, 5356715, 6016003, 6410495, 7193303, 7325185, 8608379, 11172577, 13603915, 19045481, 19366585, 23176405, 30080015, 35966515, 40393163, 43041895, 50353121, 55862885, 60258653, 78208039, 95227405, 201965815, 251765605, 282752141, 301293265, 391040195, 525111119, 1413760705, 2625555595, 3675777833, 18378889165]

約数ペア:

[(1, 18378889165), (5, 3675777833), (7, 2625555595), (13, 1413760705), (35, 525111119), (47, 391040195), (61, 301293265), (65, 282752141), (73, 251765605), (91, 201965815), (193, 95227405), (235, 78208039), (305, 60258653), (329, 55862885), (365, 50353121), (427, 43041895), (455, 40393163), (511, 35966515), (611, 30080015), (793, 23176405), (949, 19366585), (965, 19045481), (1351, 13603915), (1645, 11172577), (2135, 8608379), (2509, 7325185), (2555, 7193303), (2867, 6410495), (3055, 6016003), (3431, 5356715), (3965, 4635281), (4277, 4297145), (4453, 4127305), (4745, 3873317), (5551, 3310915), (6643, 2766655), (6755, 2720783), (9071, 2026115), (11773, 1561105), (12545, 1465037), (14089, 1304485), (14335, 1282099), (17155, 1071343), (17563, 1046455), (20069, 915785), (21385, 859429), (22265, 825461), (24017, 765245), (27755, 662183), (31171, 589615), (33215, 553331), (37271, 493115), (44603, 412055), (45355, 405223), (57889, 317485), (58865, 312221), (63497, 289445), (70445, 260897), (82411, 223015), (87815, 209291), (98623, 186355), (100345, 183157), (117923, 155855), (120085, 153049)]