19977144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2492

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 36286536

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 1023, 1364, 2046, 2441, 2728, 4092, 4882, 7323, 8184, 9764, 14646, 19528, 26851, 29292, 53702, 58584, 75671, 80553, 107404, 151342, 161106, 214808, 227013, 302684, 322212, 454026, 605368, 644424, 832381, 908052, 1664762, 1816104, 2497143, 3329524, 4994286, 6659048, 9988572, 19977144]

約数ペア:

[(1, 19977144), (2, 9988572), (3, 6659048), (4, 4994286), (6, 3329524), (8, 2497143), (11, 1816104), (12, 1664762), (22, 908052), (24, 832381), (31, 644424), (33, 605368), (44, 454026), (62, 322212), (66, 302684), (88, 227013), (93, 214808), (124, 161106), (132, 151342), (186, 107404), (248, 80553), (264, 75671), (341, 58584), (372, 53702), (682, 29292), (744, 26851), (1023, 19528), (1364, 14646), (2046, 9764), (2441, 8184), (2728, 7323), (4092, 4882)]