19177776

素因数分解:

$2^4\times 3^3\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 36532944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 103, 108, 144, 206, 216, 309, 412, 431, 432, 618, 824, 862, 927, 1236, 1293, 1648, 1724, 1854, 2472, 2586, 2781, 3448, 3708, 3879, 4944, 5172, 5562, 6896, 7416, 7758, 10344, 11124, 11637, 14832, 15516, 20688, 22248, 23274, 31032, 44393, 44496, 46548, 62064, 88786, 93096, 133179, 177572, 186192, 266358, 355144, 399537, 532716, 710288, 799074, 1065432, 1198611, 1598148, 2130864, 2397222, 3196296, 4794444, 6392592, 9588888, 19177776]

約数ペア:

[(1, 19177776), (2, 9588888), (3, 6392592), (4, 4794444), (6, 3196296), (8, 2397222), (9, 2130864), (12, 1598148), (16, 1198611), (18, 1065432), (24, 799074), (27, 710288), (36, 532716), (48, 399537), (54, 355144), (72, 266358), (103, 186192), (108, 177572), (144, 133179), (206, 93096), (216, 88786), (309, 62064), (412, 46548), (431, 44496), (432, 44393), (618, 31032), (824, 23274), (862, 22248), (927, 20688), (1236, 15516), (1293, 14832), (1648, 11637), (1724, 11124), (1854, 10344), (2472, 7758), (2586, 7416), (2781, 6896), (3448, 5562), (3708, 5172), (3879, 4944)]