18428005908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{264269}}^1$

素因数の和:264441

約数の個数: 72

約数和(自身を含む): 50501997000

約数和(自身を除く): 32073991092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 596, 894, 1341, 1788, 1937, 2682, 3874, 5364, 5811, 7748, 11622, 17433, 23244, 34866, 69732, 264269, 528538, 792807, 1057076, 1585614, 2378421, 3171228, 3435497, 4756842, 6870994, 9513684, 10306491, 13741988, 20612982, 30919473, 39376081, 41225964, 61838946, 78752162, 118128243, 123677892, 157504324, 236256486, 354384729, 472512972, 511889053, 708769458, 1023778106, 1417538916, 1535667159, 2047556212, 3071334318, 4607001477, 6142668636, 9214002954, 18428005908]

約数ペア:

[(1, 18428005908), (2, 9214002954), (3, 6142668636), (4, 4607001477), (6, 3071334318), (9, 2047556212), (12, 1535667159), (13, 1417538916), (18, 1023778106), (26, 708769458), (36, 511889053), (39, 472512972), (52, 354384729), (78, 236256486), (117, 157504324), (149, 123677892), (156, 118128243), (234, 78752162), (298, 61838946), (447, 41225964), (468, 39376081), (596, 30919473), (894, 20612982), (1341, 13741988), (1788, 10306491), (1937, 9513684), (2682, 6870994), (3874, 4756842), (5364, 3435497), (5811, 3171228), (7748, 2378421), (11622, 1585614), (17433, 1057076), (23244, 792807), (34866, 528538), (69732, 264269)]