15851168

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 72

約数和(自身を含む): 35118720

約数和(自身を除く): 19267552

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 32, 38, 58, 62, 76, 116, 124, 152, 232, 248, 304, 464, 496, 551, 589, 608, 841, 899, 928, 992, 1102, 1178, 1682, 1798, 2204, 2356, 3364, 3596, 4408, 4712, 6728, 7192, 8816, 9424, 13456, 14384, 15979, 17081, 17632, 18848, 26071, 26912, 28768, 31958, 34162, 52142, 63916, 68324, 104284, 127832, 136648, 208568, 255664, 273296, 417136, 495349, 511328, 546592, 834272, 990698, 1981396, 3962792, 7925584, 15851168]

約数ペア:

[(1, 15851168), (2, 7925584), (4, 3962792), (8, 1981396), (16, 990698), (19, 834272), (29, 546592), (31, 511328), (32, 495349), (38, 417136), (58, 273296), (62, 255664), (76, 208568), (116, 136648), (124, 127832), (152, 104284), (232, 68324), (248, 63916), (304, 52142), (464, 34162), (496, 31958), (551, 28768), (589, 26912), (608, 26071), (841, 18848), (899, 17632), (928, 17081), (992, 15979), (1102, 14384), (1178, 13456), (1682, 9424), (1798, 8816), (2204, 7192), (2356, 6728), (3364, 4712), (3596, 4408)]