19891764

素因数分解:

$2^2\times 3^3\times {\mathrm{67}}^1\times {\mathrm{2749}}^1$

素因数の和:2829

約数の個数: 48

約数和(自身を含む): 52360000

約数和(自身を除く): 32468236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 108, 134, 201, 268, 402, 603, 804, 1206, 1809, 2412, 2749, 3618, 5498, 7236, 8247, 10996, 16494, 24741, 32988, 49482, 74223, 98964, 148446, 184183, 296892, 368366, 552549, 736732, 1105098, 1657647, 2210196, 3315294, 4972941, 6630588, 9945882, 19891764]

約数ペア:

[(1, 19891764), (2, 9945882), (3, 6630588), (4, 4972941), (6, 3315294), (9, 2210196), (12, 1657647), (18, 1105098), (27, 736732), (36, 552549), (54, 368366), (67, 296892), (108, 184183), (134, 148446), (201, 98964), (268, 74223), (402, 49482), (603, 32988), (804, 24741), (1206, 16494), (1809, 10996), (2412, 8247), (2749, 7236), (3618, 5498)]