19247940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1753}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 59376408

約数和(自身を除く): 40128468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1753, 1830, 2196, 2745, 3506, 3660, 5259, 5490, 7012, 8765, 10518, 10980, 15777, 17530, 21036, 26295, 31554, 35060, 52590, 63108, 78885, 105180, 106933, 157770, 213866, 315540, 320799, 427732, 534665, 641598, 962397, 1069330, 1283196, 1603995, 1924794, 2138660, 3207990, 3849588, 4811985, 6415980, 9623970, 19247940]

約数ペア:

[(1, 19247940), (2, 9623970), (3, 6415980), (4, 4811985), (5, 3849588), (6, 3207990), (9, 2138660), (10, 1924794), (12, 1603995), (15, 1283196), (18, 1069330), (20, 962397), (30, 641598), (36, 534665), (45, 427732), (60, 320799), (61, 315540), (90, 213866), (122, 157770), (180, 106933), (183, 105180), (244, 78885), (305, 63108), (366, 52590), (549, 35060), (610, 31554), (732, 26295), (915, 21036), (1098, 17530), (1220, 15777), (1753, 10980), (1830, 10518), (2196, 8765), (2745, 7012), (3506, 5490), (3660, 5259)]