19995066

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 55163520

約数和(自身を除く): 35168454

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 169, 182, 189, 234, 273, 313, 338, 351, 378, 507, 546, 626, 702, 819, 939, 1014, 1183, 1521, 1638, 1878, 2191, 2366, 2457, 2817, 3042, 3549, 4069, 4382, 4563, 4914, 5634, 6573, 7098, 8138, 8451, 9126, 10647, 12207, 13146, 16902, 19719, 21294, 24414, 28483, 31941, 36621, 39438, 52897, 56966, 59157, 63882, 73242, 85449, 105794, 109863, 118314, 158691, 170898, 219726, 256347, 317382, 370279, 476073, 512694, 740558, 769041, 952146, 1110837, 1428219, 1538082, 2221674, 2856438, 3332511, 6665022, 9997533, 19995066]

約数ペア:

[(1, 19995066), (2, 9997533), (3, 6665022), (6, 3332511), (7, 2856438), (9, 2221674), (13, 1538082), (14, 1428219), (18, 1110837), (21, 952146), (26, 769041), (27, 740558), (39, 512694), (42, 476073), (54, 370279), (63, 317382), (78, 256347), (91, 219726), (117, 170898), (126, 158691), (169, 118314), (182, 109863), (189, 105794), (234, 85449), (273, 73242), (313, 63882), (338, 59157), (351, 56966), (378, 52897), (507, 39438), (546, 36621), (626, 31941), (702, 28483), (819, 24414), (939, 21294), (1014, 19719), (1183, 16902), (1521, 13146), (1638, 12207), (1878, 10647), (2191, 9126), (2366, 8451), (2457, 8138), (2817, 7098), (3042, 6573), (3549, 5634), (4069, 4914), (4382, 4563)]