19497790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6521}}^1$

素因数の和:6564

約数の個数: 32

約数和(自身を含む): 39445056

約数和(自身を除く): 19947266

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6521, 13042, 32605, 65210, 84773, 149983, 169546, 299966, 423865, 749915, 847730, 1499830, 1949779, 3899558, 9748895, 19497790]

約数ペア:

[(1, 19497790), (2, 9748895), (5, 3899558), (10, 1949779), (13, 1499830), (23, 847730), (26, 749915), (46, 423865), (65, 299966), (115, 169546), (130, 149983), (230, 84773), (299, 65210), (598, 32605), (1495, 13042), (2990, 6521)]