18802238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18937282

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 59, 91, 103, 118, 119, 182, 206, 221, 238, 413, 442, 721, 767, 826, 1003, 1339, 1442, 1534, 1547, 1751, 2006, 2678, 3094, 3502, 5369, 6077, 7021, 9373, 10738, 12154, 12257, 13039, 14042, 18746, 22763, 24514, 26078, 42539, 45526, 79001, 85078, 91273, 103309, 158002, 159341, 182546, 206618, 318682, 553007, 723163, 1106014, 1343017, 1446326, 2686034, 9401119, 18802238]

約数ペア:

[(1, 18802238), (2, 9401119), (7, 2686034), (13, 1446326), (14, 1343017), (17, 1106014), (26, 723163), (34, 553007), (59, 318682), (91, 206618), (103, 182546), (118, 159341), (119, 158002), (182, 103309), (206, 91273), (221, 85078), (238, 79001), (413, 45526), (442, 42539), (721, 26078), (767, 24514), (826, 22763), (1003, 18746), (1339, 14042), (1442, 13039), (1534, 12257), (1547, 12154), (1751, 10738), (2006, 9373), (2678, 7021), (3094, 6077), (3502, 5369)]