19577740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 52383744

約数和(自身を除く): 32806004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 347, 364, 403, 434, 455, 620, 694, 806, 868, 910, 1085, 1388, 1612, 1735, 1820, 2015, 2170, 2429, 2821, 3470, 4030, 4340, 4511, 4858, 5642, 6940, 8060, 9022, 9716, 10757, 11284, 12145, 14105, 18044, 21514, 22555, 24290, 28210, 31577, 43028, 45110, 48580, 53785, 56420, 63154, 75299, 90220, 107570, 126308, 139841, 150598, 157885, 215140, 279682, 301196, 315770, 376495, 559364, 631540, 699205, 752990, 978887, 1398410, 1505980, 1957774, 2796820, 3915548, 4894435, 9788870, 19577740]

約数ペア:

[(1, 19577740), (2, 9788870), (4, 4894435), (5, 3915548), (7, 2796820), (10, 1957774), (13, 1505980), (14, 1398410), (20, 978887), (26, 752990), (28, 699205), (31, 631540), (35, 559364), (52, 376495), (62, 315770), (65, 301196), (70, 279682), (91, 215140), (124, 157885), (130, 150598), (140, 139841), (155, 126308), (182, 107570), (217, 90220), (260, 75299), (310, 63154), (347, 56420), (364, 53785), (403, 48580), (434, 45110), (455, 43028), (620, 31577), (694, 28210), (806, 24290), (868, 22555), (910, 21514), (1085, 18044), (1388, 14105), (1612, 12145), (1735, 11284), (1820, 10757), (2015, 9716), (2170, 9022), (2429, 8060), (2821, 6940), (3470, 5642), (4030, 4858), (4340, 4511)]