18287766

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7673

約数の個数: 48

約数和(自身を含む): 47673600

約数和(自身を除く): 29385834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7639, 15278, 22917, 45834, 53473, 68751, 106946, 137502, 145141, 160419, 290282, 320838, 435423, 481257, 870846, 962514, 1015987, 1306269, 2031974, 2612538, 3047961, 6095922, 9143883, 18287766]

約数ペア:

[(1, 18287766), (2, 9143883), (3, 6095922), (6, 3047961), (7, 2612538), (9, 2031974), (14, 1306269), (18, 1015987), (19, 962514), (21, 870846), (38, 481257), (42, 435423), (57, 320838), (63, 290282), (114, 160419), (126, 145141), (133, 137502), (171, 106946), (266, 68751), (342, 53473), (399, 45834), (798, 22917), (1197, 15278), (2394, 7639)]