18651160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 50803200

約数和(自身を除く): 32152040

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 97, 110, 115, 152, 184, 190, 194, 209, 220, 230, 253, 380, 388, 418, 437, 440, 460, 485, 506, 760, 776, 836, 874, 920, 970, 1012, 1045, 1067, 1265, 1672, 1748, 1843, 1940, 2024, 2090, 2134, 2185, 2231, 2530, 3496, 3686, 3880, 4180, 4268, 4370, 4462, 4807, 5060, 5335, 7372, 8360, 8536, 8740, 8924, 9215, 9614, 10120, 10670, 11155, 14744, 17480, 17848, 18430, 19228, 20273, 21340, 22310, 24035, 24541, 36860, 38456, 40546, 42389, 42680, 44620, 48070, 49082, 73720, 81092, 84778, 89240, 96140, 98164, 101365, 122705, 162184, 169556, 192280, 196328, 202730, 211945, 245410, 339112, 405460, 423890, 466279, 490820, 810920, 847780, 932558, 981640, 1695560, 1865116, 2331395, 3730232, 4662790, 9325580, 18651160]

約数ペア:

[(1, 18651160), (2, 9325580), (4, 4662790), (5, 3730232), (8, 2331395), (10, 1865116), (11, 1695560), (19, 981640), (20, 932558), (22, 847780), (23, 810920), (38, 490820), (40, 466279), (44, 423890), (46, 405460), (55, 339112), (76, 245410), (88, 211945), (92, 202730), (95, 196328), (97, 192280), (110, 169556), (115, 162184), (152, 122705), (184, 101365), (190, 98164), (194, 96140), (209, 89240), (220, 84778), (230, 81092), (253, 73720), (380, 49082), (388, 48070), (418, 44620), (437, 42680), (440, 42389), (460, 40546), (485, 38456), (506, 36860), (760, 24541), (776, 24035), (836, 22310), (874, 21340), (920, 20273), (970, 19228), (1012, 18430), (1045, 17848), (1067, 17480), (1265, 14744), (1672, 11155), (1748, 10670), (1843, 10120), (1940, 9614), (2024, 9215), (2090, 8924), (2134, 8740), (2185, 8536), (2231, 8360), (2530, 7372), (3496, 5335), (3686, 5060), (3880, 4807), (4180, 4462), (4268, 4370)]