19369455

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 38569392

約数和(自身を除く): 19199937

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 73, 95, 105, 133, 147, 219, 245, 285, 361, 365, 399, 511, 665, 735, 931, 1083, 1095, 1387, 1533, 1805, 1995, 2527, 2555, 2793, 3577, 4161, 4655, 5415, 6935, 7581, 7665, 9709, 10731, 12635, 13965, 17689, 17885, 20805, 26353, 29127, 37905, 48545, 53067, 53655, 67963, 79059, 88445, 131765, 145635, 184471, 203889, 265335, 339815, 395295, 553413, 922355, 1019445, 1291297, 2767065, 3873891, 6456485, 19369455]

約数ペア:

[(1, 19369455), (3, 6456485), (5, 3873891), (7, 2767065), (15, 1291297), (19, 1019445), (21, 922355), (35, 553413), (49, 395295), (57, 339815), (73, 265335), (95, 203889), (105, 184471), (133, 145635), (147, 131765), (219, 88445), (245, 79059), (285, 67963), (361, 53655), (365, 53067), (399, 48545), (511, 37905), (665, 29127), (735, 26353), (931, 20805), (1083, 17885), (1095, 17689), (1387, 13965), (1533, 12635), (1805, 10731), (1995, 9709), (2527, 7665), (2555, 7581), (2793, 6935), (3577, 5415), (4161, 4655)]