17639412

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 48454560

約数和(自身を除く): 30815148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 131, 147, 196, 229, 262, 294, 393, 458, 524, 588, 687, 786, 916, 917, 1374, 1572, 1603, 1834, 2748, 2751, 3206, 3668, 4809, 5502, 6412, 6419, 9618, 11004, 11221, 12838, 19236, 19257, 22442, 25676, 29999, 33663, 38514, 44884, 59998, 67326, 77028, 89997, 119996, 134652, 179994, 209993, 359988, 419986, 629979, 839972, 1259958, 1469951, 2519916, 2939902, 4409853, 5879804, 8819706, 17639412]

約数ペア:

[(1, 17639412), (2, 8819706), (3, 5879804), (4, 4409853), (6, 2939902), (7, 2519916), (12, 1469951), (14, 1259958), (21, 839972), (28, 629979), (42, 419986), (49, 359988), (84, 209993), (98, 179994), (131, 134652), (147, 119996), (196, 89997), (229, 77028), (262, 67326), (294, 59998), (393, 44884), (458, 38514), (524, 33663), (588, 29999), (687, 25676), (786, 22442), (916, 19257), (917, 19236), (1374, 12838), (1572, 11221), (1603, 11004), (1834, 9618), (2748, 6419), (2751, 6412), (3206, 5502), (3668, 4809)]