18951804

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 51302160

約数和(自身を除く): 32350356

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 173, 179, 204, 306, 346, 358, 519, 537, 612, 692, 716, 1038, 1074, 1557, 1611, 2076, 2148, 2941, 3043, 3114, 3222, 5882, 6086, 6228, 6444, 8823, 9129, 11764, 12172, 17646, 18258, 26469, 27387, 30967, 35292, 36516, 52938, 54774, 61934, 92901, 105876, 109548, 123868, 185802, 278703, 371604, 526439, 557406, 1052878, 1114812, 1579317, 2105756, 3158634, 4737951, 6317268, 9475902, 18951804]

約数ペア:

[(1, 18951804), (2, 9475902), (3, 6317268), (4, 4737951), (6, 3158634), (9, 2105756), (12, 1579317), (17, 1114812), (18, 1052878), (34, 557406), (36, 526439), (51, 371604), (68, 278703), (102, 185802), (153, 123868), (173, 109548), (179, 105876), (204, 92901), (306, 61934), (346, 54774), (358, 52938), (519, 36516), (537, 35292), (612, 30967), (692, 27387), (716, 26469), (1038, 18258), (1074, 17646), (1557, 12172), (1611, 11764), (2076, 9129), (2148, 8823), (2941, 6444), (3043, 6228), (3114, 6086), (3222, 5882)]