2019021810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{21661}}^1$

素因数の和:21923

約数の個数: 64

約数和(自身を含む): 5240471040

約数和(自身を除く): 3221449230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 239, 390, 478, 717, 1195, 1434, 2390, 3107, 3585, 6214, 7170, 9321, 15535, 18642, 21661, 31070, 43322, 46605, 64983, 93210, 108305, 129966, 216610, 281593, 324915, 563186, 649830, 844779, 1407965, 1689558, 2815930, 4223895, 5176979, 8447790, 10353958, 15530937, 25884895, 31061874, 51769790, 67300727, 77654685, 134601454, 155309370, 201902181, 336503635, 403804362, 673007270, 1009510905, 2019021810]

約数ペア:

[(1, 2019021810), (2, 1009510905), (3, 673007270), (5, 403804362), (6, 336503635), (10, 201902181), (13, 155309370), (15, 134601454), (26, 77654685), (30, 67300727), (39, 51769790), (65, 31061874), (78, 25884895), (130, 15530937), (195, 10353958), (239, 8447790), (390, 5176979), (478, 4223895), (717, 2815930), (1195, 1689558), (1434, 1407965), (2390, 844779), (3107, 649830), (3585, 563186), (6214, 324915), (7170, 281593), (9321, 216610), (15535, 129966), (18642, 108305), (21661, 93210), (31070, 64983), (43322, 46605)]