18894876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2$

素因数の和:73

約数の個数: 144

約数和(自身を含む): 60012288

約数和(自身を除く): 41117412

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 154, 156, 169, 182, 231, 242, 273, 286, 308, 338, 363, 364, 429, 462, 484, 507, 546, 572, 676, 726, 847, 858, 924, 1001, 1014, 1092, 1183, 1331, 1452, 1573, 1694, 1716, 1859, 2002, 2028, 2366, 2541, 2662, 3003, 3146, 3388, 3549, 3718, 3993, 4004, 4719, 4732, 5082, 5324, 5577, 6006, 6292, 7098, 7436, 7986, 9317, 9438, 10164, 11011, 11154, 12012, 13013, 14196, 15972, 17303, 18634, 18876, 20449, 22022, 22308, 26026, 27951, 33033, 34606, 37268, 39039, 40898, 44044, 51909, 52052, 55902, 61347, 66066, 69212, 78078, 81796, 103818, 111804, 121121, 122694, 132132, 143143, 156156, 207636, 224939, 242242, 245388, 286286, 363363, 429429, 449878, 484484, 572572, 674817, 726726, 858858, 899756, 1349634, 1453452, 1574573, 1717716, 2699268, 3149146, 4723719, 6298292, 9447438, 18894876]

約数ペア:

[(1, 18894876), (2, 9447438), (3, 6298292), (4, 4723719), (6, 3149146), (7, 2699268), (11, 1717716), (12, 1574573), (13, 1453452), (14, 1349634), (21, 899756), (22, 858858), (26, 726726), (28, 674817), (33, 572572), (39, 484484), (42, 449878), (44, 429429), (52, 363363), (66, 286286), (77, 245388), (78, 242242), (84, 224939), (91, 207636), (121, 156156), (132, 143143), (143, 132132), (154, 122694), (156, 121121), (169, 111804), (182, 103818), (231, 81796), (242, 78078), (273, 69212), (286, 66066), (308, 61347), (338, 55902), (363, 52052), (364, 51909), (429, 44044), (462, 40898), (484, 39039), (507, 37268), (546, 34606), (572, 33033), (676, 27951), (726, 26026), (847, 22308), (858, 22022), (924, 20449), (1001, 18876), (1014, 18634), (1092, 17303), (1183, 15972), (1331, 14196), (1452, 13013), (1573, 12012), (1694, 11154), (1716, 11011), (1859, 10164), (2002, 9438), (2028, 9317), (2366, 7986), (2541, 7436), (2662, 7098), (3003, 6292), (3146, 6006), (3388, 5577), (3549, 5324), (3718, 5082), (3993, 4732), (4004, 4719)]