19952478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 72

約数和(自身を含む): 53556048

約数和(自身を除く): 33603570

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 937, 1014, 1183, 1521, 1638, 1874, 2366, 2811, 3042, 3549, 5622, 6559, 7098, 8433, 10647, 12181, 13118, 16866, 19677, 21294, 24362, 36543, 39354, 59031, 73086, 85267, 109629, 118062, 158353, 170534, 219258, 255801, 316706, 475059, 511602, 767403, 950118, 1108471, 1425177, 1534806, 2216942, 2850354, 3325413, 6650826, 9976239, 19952478]

約数ペア:

[(1, 19952478), (2, 9976239), (3, 6650826), (6, 3325413), (7, 2850354), (9, 2216942), (13, 1534806), (14, 1425177), (18, 1108471), (21, 950118), (26, 767403), (39, 511602), (42, 475059), (63, 316706), (78, 255801), (91, 219258), (117, 170534), (126, 158353), (169, 118062), (182, 109629), (234, 85267), (273, 73086), (338, 59031), (507, 39354), (546, 36543), (819, 24362), (937, 21294), (1014, 19677), (1183, 16866), (1521, 13118), (1638, 12181), (1874, 10647), (2366, 8433), (2811, 7098), (3042, 6559), (3549, 5622)]