19918764

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 37738836

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 153, 171, 204, 228, 306, 323, 342, 459, 513, 571, 612, 646, 684, 918, 969, 1026, 1142, 1292, 1713, 1836, 1938, 2052, 2284, 2907, 3426, 3876, 5139, 5814, 6852, 8721, 9707, 10278, 10849, 11628, 15417, 17442, 19414, 20556, 21698, 29121, 30834, 32547, 34884, 38828, 43396, 58242, 61668, 65094, 87363, 97641, 116484, 130188, 174726, 184433, 195282, 262089, 292923, 349452, 368866, 390564, 524178, 553299, 585846, 737732, 1048356, 1106598, 1171692, 1659897, 2213196, 3319794, 4979691, 6639588, 9959382, 19918764]

約数ペア:

[(1, 19918764), (2, 9959382), (3, 6639588), (4, 4979691), (6, 3319794), (9, 2213196), (12, 1659897), (17, 1171692), (18, 1106598), (19, 1048356), (27, 737732), (34, 585846), (36, 553299), (38, 524178), (51, 390564), (54, 368866), (57, 349452), (68, 292923), (76, 262089), (102, 195282), (108, 184433), (114, 174726), (153, 130188), (171, 116484), (204, 97641), (228, 87363), (306, 65094), (323, 61668), (342, 58242), (459, 43396), (513, 38828), (571, 34884), (612, 32547), (646, 30834), (684, 29121), (918, 21698), (969, 20556), (1026, 19414), (1142, 17442), (1292, 15417), (1713, 11628), (1836, 10849), (1938, 10278), (2052, 9707), (2284, 8721), (2907, 6852), (3426, 5814), (3876, 5139)]