19958190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13577}}^1$

素因数の和:13601

約数の個数: 48

約数和(自身を含む): 55724112

約数和(自身を除く): 35765922

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13577, 27154, 40731, 67885, 81462, 95039, 135770, 190078, 203655, 285117, 407310, 475195, 570234, 665273, 950390, 1330546, 1425585, 1995819, 2851170, 3326365, 3991638, 6652730, 9979095, 19958190]

約数ペア:

[(1, 19958190), (2, 9979095), (3, 6652730), (5, 3991638), (6, 3326365), (7, 2851170), (10, 1995819), (14, 1425585), (15, 1330546), (21, 950390), (30, 665273), (35, 570234), (42, 475195), (49, 407310), (70, 285117), (98, 203655), (105, 190078), (147, 135770), (210, 95039), (245, 81462), (294, 67885), (490, 40731), (735, 27154), (1470, 13577)]