18780174612

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{216731}}^1$

素因数の和:216853

約数の個数: 72

約数和(自身を含む): 49700982240

約数和(自身を除く): 30920807628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 249, 261, 332, 348, 498, 522, 747, 996, 1044, 1494, 2407, 2988, 4814, 7221, 9628, 14442, 21663, 28884, 43326, 86652, 216731, 433462, 650193, 866924, 1300386, 1950579, 2600772, 3901158, 6285199, 7802316, 12570398, 17988673, 18855597, 25140796, 35977346, 37711194, 53966019, 56566791, 71954692, 75422388, 107932038, 113133582, 161898057, 215864076, 226267164, 323796114, 521671517, 647592228, 1043343034, 1565014551, 2086686068, 3130029102, 4695043653, 6260058204, 9390087306, 18780174612]

約数ペア:

[(1, 18780174612), (2, 9390087306), (3, 6260058204), (4, 4695043653), (6, 3130029102), (9, 2086686068), (12, 1565014551), (18, 1043343034), (29, 647592228), (36, 521671517), (58, 323796114), (83, 226267164), (87, 215864076), (116, 161898057), (166, 113133582), (174, 107932038), (249, 75422388), (261, 71954692), (332, 56566791), (348, 53966019), (498, 37711194), (522, 35977346), (747, 25140796), (996, 18855597), (1044, 17988673), (1494, 12570398), (2407, 7802316), (2988, 6285199), (4814, 3901158), (7221, 2600772), (9628, 1950579), (14442, 1300386), (21663, 866924), (28884, 650193), (43326, 433462), (86652, 216731)]