18888921780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4051}}^1\times {\mathrm{77713}}^1$

素因数の和:81776

約数の個数: 48

約数和(自身を含む): 52902717504

約数和(自身を除く): 34013795724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4051, 8102, 12153, 16204, 20255, 24306, 40510, 48612, 60765, 77713, 81020, 121530, 155426, 233139, 243060, 310852, 388565, 466278, 777130, 932556, 1165695, 1554260, 2331390, 4662780, 314815363, 629630726, 944446089, 1259261452, 1574076815, 1888892178, 3148153630, 3777784356, 4722230445, 6296307260, 9444460890, 18888921780]

約数ペア:

[(1, 18888921780), (2, 9444460890), (3, 6296307260), (4, 4722230445), (5, 3777784356), (6, 3148153630), (10, 1888892178), (12, 1574076815), (15, 1259261452), (20, 944446089), (30, 629630726), (60, 314815363), (4051, 4662780), (8102, 2331390), (12153, 1554260), (16204, 1165695), (20255, 932556), (24306, 777130), (40510, 466278), (48612, 388565), (60765, 310852), (77713, 243060), (81020, 233139), (121530, 155426)]