19877634

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:780

約数の個数: 72

約数和(自身を含む): 51787008

約数和(自身を除く): 31909374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 727, 882, 1302, 1454, 1519, 1953, 2181, 3038, 3906, 4362, 4557, 5089, 6543, 9114, 10178, 13086, 13671, 15267, 22537, 27342, 30534, 35623, 45074, 45801, 67611, 71246, 91602, 106869, 135222, 157759, 202833, 213738, 315518, 320607, 405666, 473277, 641214, 946554, 1104313, 1419831, 2208626, 2839662, 3312939, 6625878, 9938817, 19877634]

約数ペア:

[(1, 19877634), (2, 9938817), (3, 6625878), (6, 3312939), (7, 2839662), (9, 2208626), (14, 1419831), (18, 1104313), (21, 946554), (31, 641214), (42, 473277), (49, 405666), (62, 320607), (63, 315518), (93, 213738), (98, 202833), (126, 157759), (147, 135222), (186, 106869), (217, 91602), (279, 71246), (294, 67611), (434, 45801), (441, 45074), (558, 35623), (651, 30534), (727, 27342), (882, 22537), (1302, 15267), (1454, 13671), (1519, 13086), (1953, 10178), (2181, 9114), (3038, 6543), (3906, 5089), (4362, 4557)]