18808212969

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{3457}}^1$

素因数の和:3576

約数の個数: 108

約数和(自身を含む): 34699722876

約数和(自身を除く): 15891509907

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 73, 91, 117, 147, 169, 219, 273, 441, 507, 511, 637, 657, 819, 949, 1183, 1521, 1533, 1911, 2847, 3457, 3549, 3577, 4599, 5733, 6643, 8281, 8541, 10371, 10647, 10731, 12337, 19929, 24199, 24843, 31113, 32193, 37011, 44941, 46501, 59787, 72597, 74529, 86359, 111033, 134823, 139503, 169393, 217791, 252361, 259077, 314587, 404469, 418509, 508179, 584233, 604513, 757083, 777231, 943761, 1524537, 1752699, 1766527, 1813539, 2202109, 2271249, 2831283, 3280693, 4089631, 5258097, 5299581, 5440617, 6606327, 9842079, 12268893, 12365689, 15898743, 19818981, 22964851, 28627417, 29526237, 36806679, 37097067, 42649009, 68894553, 85882251, 111291201, 127947027, 160753957, 206683659, 257646753, 298543063, 383841081, 482261871, 895629189, 1446785613, 2089801441, 2686887567, 6269404323, 18808212969]

約数ペア:

[(1, 18808212969), (3, 6269404323), (7, 2686887567), (9, 2089801441), (13, 1446785613), (21, 895629189), (39, 482261871), (49, 383841081), (63, 298543063), (73, 257646753), (91, 206683659), (117, 160753957), (147, 127947027), (169, 111291201), (219, 85882251), (273, 68894553), (441, 42649009), (507, 37097067), (511, 36806679), (637, 29526237), (657, 28627417), (819, 22964851), (949, 19818981), (1183, 15898743), (1521, 12365689), (1533, 12268893), (1911, 9842079), (2847, 6606327), (3457, 5440617), (3549, 5299581), (3577, 5258097), (4599, 4089631), (5733, 3280693), (6643, 2831283), (8281, 2271249), (8541, 2202109), (10371, 1813539), (10647, 1766527), (10731, 1752699), (12337, 1524537), (19929, 943761), (24199, 777231), (24843, 757083), (31113, 604513), (32193, 584233), (37011, 508179), (44941, 418509), (46501, 404469), (59787, 314587), (72597, 259077), (74529, 252361), (86359, 217791), (111033, 169393), (134823, 139503)]