18944520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1227

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 49484280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1187, 1330, 1596, 1995, 2280, 2374, 2660, 3192, 3561, 3990, 4748, 5320, 5935, 7122, 7980, 8309, 9496, 11870, 14244, 15960, 16618, 17805, 22553, 23740, 24927, 28488, 33236, 35610, 41545, 45106, 47480, 49854, 66472, 67659, 71220, 83090, 90212, 99708, 112765, 124635, 135318, 142440, 157871, 166180, 180424, 199416, 225530, 249270, 270636, 315742, 332360, 338295, 451060, 473613, 498540, 541272, 631484, 676590, 789355, 902120, 947226, 997080, 1262968, 1353180, 1578710, 1894452, 2368065, 2706360, 3157420, 3788904, 4736130, 6314840, 9472260, 18944520]

約数ペア:

[(1, 18944520), (2, 9472260), (3, 6314840), (4, 4736130), (5, 3788904), (6, 3157420), (7, 2706360), (8, 2368065), (10, 1894452), (12, 1578710), (14, 1353180), (15, 1262968), (19, 997080), (20, 947226), (21, 902120), (24, 789355), (28, 676590), (30, 631484), (35, 541272), (38, 498540), (40, 473613), (42, 451060), (56, 338295), (57, 332360), (60, 315742), (70, 270636), (76, 249270), (84, 225530), (95, 199416), (105, 180424), (114, 166180), (120, 157871), (133, 142440), (140, 135318), (152, 124635), (168, 112765), (190, 99708), (210, 90212), (228, 83090), (266, 71220), (280, 67659), (285, 66472), (380, 49854), (399, 47480), (420, 45106), (456, 41545), (532, 35610), (570, 33236), (665, 28488), (760, 24927), (798, 23740), (840, 22553), (1064, 17805), (1140, 16618), (1187, 15960), (1330, 14244), (1596, 11870), (1995, 9496), (2280, 8309), (2374, 7980), (2660, 7122), (3192, 5935), (3561, 5320), (3990, 4748)]