19155708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 57834504

約数和(自身を除く): 38678796

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 61, 66, 78, 99, 117, 122, 132, 143, 156, 183, 198, 234, 244, 286, 366, 396, 429, 468, 549, 572, 671, 732, 793, 858, 1098, 1287, 1342, 1586, 1716, 2013, 2196, 2379, 2574, 2684, 3172, 3721, 4026, 4758, 5148, 6039, 7137, 7442, 8052, 8723, 9516, 11163, 12078, 14274, 14884, 17446, 22326, 24156, 26169, 28548, 33489, 34892, 40931, 44652, 48373, 52338, 66978, 78507, 81862, 96746, 104676, 122793, 133956, 145119, 157014, 163724, 193492, 245586, 290238, 314028, 368379, 435357, 491172, 532103, 580476, 736758, 870714, 1064206, 1473516, 1596309, 1741428, 2128412, 3192618, 4788927, 6385236, 9577854, 19155708]

約数ペア:

[(1, 19155708), (2, 9577854), (3, 6385236), (4, 4788927), (6, 3192618), (9, 2128412), (11, 1741428), (12, 1596309), (13, 1473516), (18, 1064206), (22, 870714), (26, 736758), (33, 580476), (36, 532103), (39, 491172), (44, 435357), (52, 368379), (61, 314028), (66, 290238), (78, 245586), (99, 193492), (117, 163724), (122, 157014), (132, 145119), (143, 133956), (156, 122793), (183, 104676), (198, 96746), (234, 81862), (244, 78507), (286, 66978), (366, 52338), (396, 48373), (429, 44652), (468, 40931), (549, 34892), (572, 33489), (671, 28548), (732, 26169), (793, 24156), (858, 22326), (1098, 17446), (1287, 14884), (1342, 14274), (1586, 12078), (1716, 11163), (2013, 9516), (2196, 8723), (2379, 8052), (2574, 7442), (2684, 7137), (3172, 6039), (3721, 5148), (4026, 4758)]