18375045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 35126784

約数和(自身を除く): 16751739

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 221, 241, 255, 299, 345, 391, 663, 723, 897, 1105, 1173, 1205, 1495, 1955, 3133, 3315, 3615, 4097, 4485, 5083, 5543, 5865, 9399, 12291, 15249, 15665, 16629, 20485, 25415, 27715, 46995, 53261, 61455, 72059, 76245, 83145, 94231, 159783, 216177, 266305, 282693, 360295, 471155, 798915, 1080885, 1225003, 1413465, 3675009, 6125015, 18375045]

約数ペア:

[(1, 18375045), (3, 6125015), (5, 3675009), (13, 1413465), (15, 1225003), (17, 1080885), (23, 798915), (39, 471155), (51, 360295), (65, 282693), (69, 266305), (85, 216177), (115, 159783), (195, 94231), (221, 83145), (241, 76245), (255, 72059), (299, 61455), (345, 53261), (391, 46995), (663, 27715), (723, 25415), (897, 20485), (1105, 16629), (1173, 15665), (1205, 15249), (1495, 12291), (1955, 9399), (3133, 5865), (3315, 5543), (3615, 5083), (4097, 4485)]