18993432

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 49603680

約数和(自身を除く): 30610248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 73, 74, 111, 146, 148, 219, 222, 292, 293, 296, 438, 444, 584, 586, 876, 879, 888, 1172, 1752, 1758, 2344, 2701, 3516, 5402, 7032, 8103, 10804, 10841, 16206, 21389, 21608, 21682, 32412, 32523, 42778, 43364, 64167, 64824, 65046, 85556, 86728, 128334, 130092, 171112, 256668, 260184, 513336, 791393, 1582786, 2374179, 3165572, 4748358, 6331144, 9496716, 18993432]

約数ペア:

[(1, 18993432), (2, 9496716), (3, 6331144), (4, 4748358), (6, 3165572), (8, 2374179), (12, 1582786), (24, 791393), (37, 513336), (73, 260184), (74, 256668), (111, 171112), (146, 130092), (148, 128334), (219, 86728), (222, 85556), (292, 65046), (293, 64824), (296, 64167), (438, 43364), (444, 42778), (584, 32523), (586, 32412), (876, 21682), (879, 21608), (888, 21389), (1172, 16206), (1752, 10841), (1758, 10804), (2344, 8103), (2701, 7032), (3516, 5402)]