19448884

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 45246600

約数和(自身を除く): 25797716

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 449, 476, 637, 833, 884, 898, 1274, 1547, 1666, 1796, 2548, 3094, 3143, 3332, 5837, 6188, 6286, 7633, 10829, 11674, 12572, 15266, 21658, 22001, 23348, 30532, 40859, 43316, 44002, 53431, 81718, 88004, 99229, 106862, 163436, 198458, 213724, 286013, 374017, 396916, 572026, 694603, 748034, 1144052, 1389206, 1496068, 2778412, 4862221, 9724442, 19448884]

約数ペア:

[(1, 19448884), (2, 9724442), (4, 4862221), (7, 2778412), (13, 1496068), (14, 1389206), (17, 1144052), (26, 748034), (28, 694603), (34, 572026), (49, 396916), (52, 374017), (68, 286013), (91, 213724), (98, 198458), (119, 163436), (182, 106862), (196, 99229), (221, 88004), (238, 81718), (364, 53431), (442, 44002), (449, 43316), (476, 40859), (637, 30532), (833, 23348), (884, 22001), (898, 21658), (1274, 15266), (1547, 12572), (1666, 11674), (1796, 10829), (2548, 7633), (3094, 6286), (3143, 6188), (3332, 5837)]