18686836938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{1321}}^1$

素因数の和:1868

約数の個数: 128

約数和(自身を含む): 47430567936

約数和(自身を除く): 28743730998

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 67, 77, 134, 154, 201, 231, 402, 457, 462, 469, 737, 914, 938, 1321, 1371, 1407, 1474, 2211, 2642, 2742, 2814, 3199, 3963, 4422, 5027, 5159, 6398, 7926, 9247, 9597, 10054, 10318, 14531, 15081, 15477, 18494, 19194, 27741, 29062, 30162, 30619, 30954, 35189, 43593, 55482, 61238, 70378, 87186, 88507, 91857, 101717, 105567, 177014, 183714, 203434, 211134, 214333, 265521, 305151, 336809, 428666, 531042, 603697, 610302, 619549, 642999, 673618, 973577, 1010427, 1207394, 1239098, 1285998, 1811091, 1858647, 1947154, 2020854, 2357663, 2920731, 3622182, 3717294, 4225879, 4715326, 5841462, 6640667, 6815039, 7072989, 8451758, 12677637, 13281334, 13630078, 14145978, 19922001, 20445117, 25355274, 39844002, 40447699, 40890234, 46484669, 80895398, 92969338, 121343097, 139454007, 242686194, 278908014, 283133893, 444924689, 566267786, 849401679, 889849378, 1334774067, 1698803358, 2669548134, 3114472823, 6228945646, 9343418469, 18686836938]

約数ペア:

[(1, 18686836938), (2, 9343418469), (3, 6228945646), (6, 3114472823), (7, 2669548134), (11, 1698803358), (14, 1334774067), (21, 889849378), (22, 849401679), (33, 566267786), (42, 444924689), (66, 283133893), (67, 278908014), (77, 242686194), (134, 139454007), (154, 121343097), (201, 92969338), (231, 80895398), (402, 46484669), (457, 40890234), (462, 40447699), (469, 39844002), (737, 25355274), (914, 20445117), (938, 19922001), (1321, 14145978), (1371, 13630078), (1407, 13281334), (1474, 12677637), (2211, 8451758), (2642, 7072989), (2742, 6815039), (2814, 6640667), (3199, 5841462), (3963, 4715326), (4422, 4225879), (5027, 3717294), (5159, 3622182), (6398, 2920731), (7926, 2357663), (9247, 2020854), (9597, 1947154), (10054, 1858647), (10318, 1811091), (14531, 1285998), (15081, 1239098), (15477, 1207394), (18494, 1010427), (19194, 973577), (27741, 673618), (29062, 642999), (30162, 619549), (30619, 610302), (30954, 603697), (35189, 531042), (43593, 428666), (55482, 336809), (61238, 305151), (70378, 265521), (87186, 214333), (88507, 211134), (91857, 203434), (101717, 183714), (105567, 177014)]