19243380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24671}}^1$

素因数の和:24696

約数の個数: 48

約数和(自身を含む): 58028544

約数和(自身を除く): 38785164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24671, 49342, 74013, 98684, 123355, 148026, 246710, 296052, 320723, 370065, 493420, 641446, 740130, 962169, 1282892, 1480260, 1603615, 1924338, 3207230, 3848676, 4810845, 6414460, 9621690, 19243380]

約数ペア:

[(1, 19243380), (2, 9621690), (3, 6414460), (4, 4810845), (5, 3848676), (6, 3207230), (10, 1924338), (12, 1603615), (13, 1480260), (15, 1282892), (20, 962169), (26, 740130), (30, 641446), (39, 493420), (52, 370065), (60, 320723), (65, 296052), (78, 246710), (130, 148026), (156, 123355), (195, 98684), (260, 74013), (390, 49342), (780, 24671)]