19908768

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1150

約数の個数: 96

約数和(自身を含む): 60419520

約数和(自身を除く): 40510752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 68, 88, 96, 102, 132, 136, 176, 187, 204, 264, 272, 352, 374, 408, 528, 544, 561, 748, 816, 1056, 1109, 1122, 1496, 1632, 2218, 2244, 2992, 3327, 4436, 4488, 5984, 6654, 8872, 8976, 12199, 13308, 17744, 17952, 18853, 24398, 26616, 35488, 36597, 37706, 48796, 53232, 56559, 73194, 75412, 97592, 106464, 113118, 146388, 150824, 195184, 207383, 226236, 292776, 301648, 390368, 414766, 452472, 585552, 603296, 622149, 829532, 904944, 1171104, 1244298, 1659064, 1809888, 2488596, 3318128, 4977192, 6636256, 9954384, 19908768]

約数ペア:

[(1, 19908768), (2, 9954384), (3, 6636256), (4, 4977192), (6, 3318128), (8, 2488596), (11, 1809888), (12, 1659064), (16, 1244298), (17, 1171104), (22, 904944), (24, 829532), (32, 622149), (33, 603296), (34, 585552), (44, 452472), (48, 414766), (51, 390368), (66, 301648), (68, 292776), (88, 226236), (96, 207383), (102, 195184), (132, 150824), (136, 146388), (176, 113118), (187, 106464), (204, 97592), (264, 75412), (272, 73194), (352, 56559), (374, 53232), (408, 48796), (528, 37706), (544, 36597), (561, 35488), (748, 26616), (816, 24398), (1056, 18853), (1109, 17952), (1122, 17744), (1496, 13308), (1632, 12199), (2218, 8976), (2244, 8872), (2992, 6654), (3327, 5984), (4436, 4488)]