15820844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 31987200

約数和(自身を除く): 16166356

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 239, 247, 268, 478, 494, 871, 956, 988, 1273, 1742, 2546, 3107, 3484, 4541, 5092, 6214, 9082, 12428, 16013, 16549, 18164, 32026, 33098, 59033, 64052, 66196, 118066, 208169, 236132, 304247, 416338, 608494, 832676, 1216988, 3955211, 7910422, 15820844]

約数ペア:

[(1, 15820844), (2, 7910422), (4, 3955211), (13, 1216988), (19, 832676), (26, 608494), (38, 416338), (52, 304247), (67, 236132), (76, 208169), (134, 118066), (239, 66196), (247, 64052), (268, 59033), (478, 33098), (494, 32026), (871, 18164), (956, 16549), (988, 16013), (1273, 12428), (1742, 9082), (2546, 6214), (3107, 5092), (3484, 4541)]