19186428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 48816768

約数和(自身を除く): 29630340

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 103, 114, 129, 172, 206, 228, 258, 309, 361, 412, 516, 618, 722, 817, 1083, 1236, 1444, 1634, 1957, 2166, 2451, 3268, 3914, 4332, 4429, 4902, 5871, 7828, 8858, 9804, 11742, 13287, 15523, 17716, 23484, 26574, 31046, 37183, 46569, 53148, 62092, 74366, 84151, 93138, 111549, 148732, 168302, 186276, 223098, 252453, 336604, 446196, 504906, 1009812, 1598869, 3197738, 4796607, 6395476, 9593214, 19186428]

約数ペア:

[(1, 19186428), (2, 9593214), (3, 6395476), (4, 4796607), (6, 3197738), (12, 1598869), (19, 1009812), (38, 504906), (43, 446196), (57, 336604), (76, 252453), (86, 223098), (103, 186276), (114, 168302), (129, 148732), (172, 111549), (206, 93138), (228, 84151), (258, 74366), (309, 62092), (361, 53148), (412, 46569), (516, 37183), (618, 31046), (722, 26574), (817, 23484), (1083, 17716), (1236, 15523), (1444, 13287), (1634, 11742), (1957, 9804), (2166, 8858), (2451, 7828), (3268, 5871), (3914, 4902), (4332, 4429)]