19005394760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1489451}}^1$

素因数の和:1489502

約数の個数: 64

約数和(自身を含む): 48258244800

約数和(自身を除く): 29252850040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 1489451, 2978902, 5957804, 7447255, 11915608, 14894510, 16383961, 29789020, 32767922, 43194079, 59578040, 65535844, 81919805, 86388158, 131071688, 163839610, 172776316, 215970395, 327679220, 345552632, 431940790, 475134869, 655358440, 863881580, 950269738, 1727763160, 1900539476, 2375674345, 3801078952, 4751348690, 9502697380, 19005394760]

約数ペア:

[(1, 19005394760), (2, 9502697380), (4, 4751348690), (5, 3801078952), (8, 2375674345), (10, 1900539476), (11, 1727763160), (20, 950269738), (22, 863881580), (29, 655358440), (40, 475134869), (44, 431940790), (55, 345552632), (58, 327679220), (88, 215970395), (110, 172776316), (116, 163839610), (145, 131071688), (220, 86388158), (232, 81919805), (290, 65535844), (319, 59578040), (440, 43194079), (580, 32767922), (638, 29789020), (1160, 16383961), (1276, 14894510), (1595, 11915608), (2552, 7447255), (3190, 5957804), (6380, 2978902), (12760, 1489451)]