18977889114

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{15053}}^1$

素因数の和:15732

約数の個数: 64

約数和(自身を含む): 43384423680

約数和(自身を除く): 24406534566

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 631, 666, 999, 1262, 1893, 1998, 3786, 5679, 11358, 15053, 17037, 23347, 30106, 34074, 45159, 46694, 70041, 90318, 135477, 140082, 210123, 270954, 406431, 420246, 556961, 630369, 812862, 1113922, 1260738, 1670883, 3341766, 5012649, 9498443, 10025298, 15037947, 18996886, 28495329, 30075894, 56990658, 85485987, 170971974, 256457961, 351442391, 512915922, 702884782, 1054327173, 2108654346, 3162981519, 6325963038, 9488944557, 18977889114]

約数ペア:

[(1, 18977889114), (2, 9488944557), (3, 6325963038), (6, 3162981519), (9, 2108654346), (18, 1054327173), (27, 702884782), (37, 512915922), (54, 351442391), (74, 256457961), (111, 170971974), (222, 85485987), (333, 56990658), (631, 30075894), (666, 28495329), (999, 18996886), (1262, 15037947), (1893, 10025298), (1998, 9498443), (3786, 5012649), (5679, 3341766), (11358, 1670883), (15053, 1260738), (17037, 1113922), (23347, 812862), (30106, 630369), (34074, 556961), (45159, 420246), (46694, 406431), (70041, 270954), (90318, 210123), (135477, 140082)]