18757890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 51644736

約数和(自身を除く): 32886846

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 43, 45, 74, 86, 90, 111, 129, 131, 185, 215, 222, 258, 262, 333, 370, 387, 393, 430, 555, 645, 655, 666, 774, 786, 1110, 1179, 1290, 1310, 1591, 1665, 1935, 1965, 2358, 3182, 3330, 3870, 3930, 4773, 4847, 5633, 5895, 7955, 9546, 9694, 11266, 11790, 14319, 14541, 15910, 16899, 23865, 24235, 28165, 28638, 29082, 33798, 43623, 47730, 48470, 50697, 56330, 71595, 72705, 84495, 87246, 101394, 143190, 145410, 168990, 208421, 218115, 253485, 416842, 436230, 506970, 625263, 1042105, 1250526, 1875789, 2084210, 3126315, 3751578, 6252630, 9378945, 18757890]

約数ペア:

[(1, 18757890), (2, 9378945), (3, 6252630), (5, 3751578), (6, 3126315), (9, 2084210), (10, 1875789), (15, 1250526), (18, 1042105), (30, 625263), (37, 506970), (43, 436230), (45, 416842), (74, 253485), (86, 218115), (90, 208421), (111, 168990), (129, 145410), (131, 143190), (185, 101394), (215, 87246), (222, 84495), (258, 72705), (262, 71595), (333, 56330), (370, 50697), (387, 48470), (393, 47730), (430, 43623), (555, 33798), (645, 29082), (655, 28638), (666, 28165), (774, 24235), (786, 23865), (1110, 16899), (1179, 15910), (1290, 14541), (1310, 14319), (1591, 11790), (1665, 11266), (1935, 9694), (1965, 9546), (2358, 7955), (3182, 5895), (3330, 5633), (3870, 4847), (3930, 4773)]