1973199020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{399433}}^1$

素因数の和:399474

約数の個数: 48

約数和(自身を含む): 4697343840

約数和(自身を除く): 2724144820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 399433, 798866, 1597732, 1997165, 3994330, 5192629, 7589227, 7988660, 10385258, 15178454, 20770516, 25963145, 30356908, 37946135, 51926290, 75892270, 98659951, 103852580, 151784540, 197319902, 394639804, 493299755, 986599510, 1973199020]

約数ペア:

[(1, 1973199020), (2, 986599510), (4, 493299755), (5, 394639804), (10, 197319902), (13, 151784540), (19, 103852580), (20, 98659951), (26, 75892270), (38, 51926290), (52, 37946135), (65, 30356908), (76, 25963145), (95, 20770516), (130, 15178454), (190, 10385258), (247, 7988660), (260, 7589227), (380, 5192629), (494, 3994330), (988, 1997165), (1235, 1597732), (2470, 798866), (4940, 399433)]