19032780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1877}}^1$

素因数の和:1915

約数の個数: 72

約数和(自身を含む): 57737232

約数和(自身を除く): 38704452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1877, 2028, 2535, 3380, 3754, 5070, 5631, 7508, 9385, 10140, 11262, 18770, 22524, 24401, 28155, 37540, 48802, 56310, 73203, 97604, 112620, 122005, 146406, 244010, 292812, 317213, 366015, 488020, 634426, 732030, 951639, 1268852, 1464060, 1586065, 1903278, 3172130, 3806556, 4758195, 6344260, 9516390, 19032780]

約数ペア:

[(1, 19032780), (2, 9516390), (3, 6344260), (4, 4758195), (5, 3806556), (6, 3172130), (10, 1903278), (12, 1586065), (13, 1464060), (15, 1268852), (20, 951639), (26, 732030), (30, 634426), (39, 488020), (52, 366015), (60, 317213), (65, 292812), (78, 244010), (130, 146406), (156, 122005), (169, 112620), (195, 97604), (260, 73203), (338, 56310), (390, 48802), (507, 37540), (676, 28155), (780, 24401), (845, 22524), (1014, 18770), (1690, 11262), (1877, 10140), (2028, 9385), (2535, 7508), (3380, 5631), (3754, 5070)]