19783890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1064

約数の個数: 96

約数和(自身を含む): 60742656

約数和(自身を除く): 40958766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1013, 1085, 1302, 1395, 1953, 2026, 2170, 2790, 3039, 3255, 3906, 5065, 6078, 6510, 7091, 9117, 9765, 10130, 14182, 15195, 18234, 19530, 21273, 30390, 31403, 35455, 42546, 45585, 62806, 63819, 70910, 91170, 94209, 106365, 127638, 157015, 188418, 212730, 219821, 282627, 314030, 319095, 439642, 471045, 565254, 638190, 659463, 942090, 1099105, 1318926, 1413135, 1978389, 2198210, 2826270, 3297315, 3956778, 6594630, 9891945, 19783890]

約数ペア:

[(1, 19783890), (2, 9891945), (3, 6594630), (5, 3956778), (6, 3297315), (7, 2826270), (9, 2198210), (10, 1978389), (14, 1413135), (15, 1318926), (18, 1099105), (21, 942090), (30, 659463), (31, 638190), (35, 565254), (42, 471045), (45, 439642), (62, 319095), (63, 314030), (70, 282627), (90, 219821), (93, 212730), (105, 188418), (126, 157015), (155, 127638), (186, 106365), (210, 94209), (217, 91170), (279, 70910), (310, 63819), (315, 62806), (434, 45585), (465, 42546), (558, 35455), (630, 31403), (651, 30390), (930, 21273), (1013, 19530), (1085, 18234), (1302, 15195), (1395, 14182), (1953, 10130), (2026, 9765), (2170, 9117), (2790, 7091), (3039, 6510), (3255, 6078), (3906, 5065)]