19867722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 48052224

約数和(自身を除く): 28184502

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 131, 138, 157, 161, 262, 314, 322, 393, 471, 483, 786, 917, 942, 966, 1099, 1834, 2198, 2751, 3013, 3297, 3611, 5502, 6026, 6594, 7222, 9039, 10833, 18078, 20567, 21091, 21666, 25277, 41134, 42182, 50554, 61701, 63273, 75831, 123402, 126546, 143969, 151662, 287938, 431907, 473041, 863814, 946082, 1419123, 2838246, 3311287, 6622574, 9933861, 19867722]

約数ペア:

[(1, 19867722), (2, 9933861), (3, 6622574), (6, 3311287), (7, 2838246), (14, 1419123), (21, 946082), (23, 863814), (42, 473041), (46, 431907), (69, 287938), (131, 151662), (138, 143969), (157, 126546), (161, 123402), (262, 75831), (314, 63273), (322, 61701), (393, 50554), (471, 42182), (483, 41134), (786, 25277), (917, 21666), (942, 21091), (966, 20567), (1099, 18078), (1834, 10833), (2198, 9039), (2751, 7222), (3013, 6594), (3297, 6026), (3611, 5502)]