19900152

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 57451680

約数和(自身を除く): 37551528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 61, 69, 72, 92, 122, 138, 183, 184, 197, 207, 244, 276, 366, 394, 414, 488, 549, 552, 591, 732, 788, 828, 1098, 1182, 1403, 1464, 1576, 1656, 1773, 2196, 2364, 2806, 3546, 4209, 4392, 4531, 4728, 5612, 7092, 8418, 9062, 11224, 12017, 12627, 13593, 14184, 16836, 18124, 24034, 25254, 27186, 33672, 36051, 36248, 40779, 48068, 50508, 54372, 72102, 81558, 96136, 101016, 108153, 108744, 144204, 163116, 216306, 276391, 288408, 326232, 432612, 552782, 829173, 865224, 1105564, 1658346, 2211128, 2487519, 3316692, 4975038, 6633384, 9950076, 19900152]

約数ペア:

[(1, 19900152), (2, 9950076), (3, 6633384), (4, 4975038), (6, 3316692), (8, 2487519), (9, 2211128), (12, 1658346), (18, 1105564), (23, 865224), (24, 829173), (36, 552782), (46, 432612), (61, 326232), (69, 288408), (72, 276391), (92, 216306), (122, 163116), (138, 144204), (183, 108744), (184, 108153), (197, 101016), (207, 96136), (244, 81558), (276, 72102), (366, 54372), (394, 50508), (414, 48068), (488, 40779), (549, 36248), (552, 36051), (591, 33672), (732, 27186), (788, 25254), (828, 24034), (1098, 18124), (1182, 16836), (1403, 14184), (1464, 13593), (1576, 12627), (1656, 12017), (1773, 11224), (2196, 9062), (2364, 8418), (2806, 7092), (3546, 5612), (4209, 4728), (4392, 4531)]