19636695

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 38384640

約数和(自身を除く): 18747945

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 117, 135, 167, 195, 201, 335, 351, 501, 585, 603, 835, 871, 1005, 1503, 1755, 1809, 2171, 2505, 2613, 3015, 4355, 4509, 6513, 7515, 7839, 9045, 10855, 11189, 13065, 19539, 22545, 23517, 32565, 33567, 39195, 55945, 58617, 97695, 100701, 117585, 145457, 167835, 293085, 302103, 436371, 503505, 727285, 1309113, 1510515, 2181855, 3927339, 6545565, 19636695]

約数ペア:

[(1, 19636695), (3, 6545565), (5, 3927339), (9, 2181855), (13, 1510515), (15, 1309113), (27, 727285), (39, 503505), (45, 436371), (65, 302103), (67, 293085), (117, 167835), (135, 145457), (167, 117585), (195, 100701), (201, 97695), (335, 58617), (351, 55945), (501, 39195), (585, 33567), (603, 32565), (835, 23517), (871, 22545), (1005, 19539), (1503, 13065), (1755, 11189), (1809, 10855), (2171, 9045), (2505, 7839), (2613, 7515), (3015, 6513), (4355, 4509)]