9905004

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1644

約数の個数: 60

約数和(自身を含む): 27273400

約数和(自身を除く): 17368396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 1609, 2052, 3078, 3218, 4827, 6156, 6436, 9654, 14481, 19308, 28962, 30571, 43443, 57924, 61142, 86886, 91713, 122284, 130329, 173772, 183426, 260658, 275139, 366852, 521316, 550278, 825417, 1100556, 1650834, 2476251, 3301668, 4952502, 9905004]

約数ペア:

[(1, 9905004), (2, 4952502), (3, 3301668), (4, 2476251), (6, 1650834), (9, 1100556), (12, 825417), (18, 550278), (19, 521316), (27, 366852), (36, 275139), (38, 260658), (54, 183426), (57, 173772), (76, 130329), (81, 122284), (108, 91713), (114, 86886), (162, 61142), (171, 57924), (228, 43443), (324, 30571), (342, 28962), (513, 19308), (684, 14481), (1026, 9654), (1539, 6436), (1609, 6156), (2052, 4827), (3078, 3218)]