19151548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 19233092

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 67, 92, 134, 239, 268, 299, 478, 598, 871, 956, 1196, 1541, 1742, 3082, 3107, 3484, 5497, 6164, 6214, 10994, 12428, 16013, 20033, 21988, 32026, 40066, 64052, 71461, 80132, 142922, 208169, 285844, 368299, 416338, 736598, 832676, 1473196, 4787887, 9575774, 19151548]

約数ペア:

[(1, 19151548), (2, 9575774), (4, 4787887), (13, 1473196), (23, 832676), (26, 736598), (46, 416338), (52, 368299), (67, 285844), (92, 208169), (134, 142922), (239, 80132), (268, 71461), (299, 64052), (478, 40066), (598, 32026), (871, 21988), (956, 20033), (1196, 16013), (1541, 12428), (1742, 10994), (3082, 6214), (3107, 6164), (3484, 5497)]