19183788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 52743600

約数和(自身を除く): 33559812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 179, 229, 234, 358, 458, 468, 537, 687, 716, 916, 1074, 1374, 1611, 2061, 2148, 2327, 2748, 2977, 3222, 4122, 4654, 5954, 6444, 6981, 8244, 8931, 9308, 11908, 13962, 17862, 20943, 26793, 27924, 35724, 40991, 41886, 53586, 81982, 83772, 107172, 122973, 163964, 245946, 368919, 491892, 532883, 737838, 1065766, 1475676, 1598649, 2131532, 3197298, 4795947, 6394596, 9591894, 19183788]

約数ペア:

[(1, 19183788), (2, 9591894), (3, 6394596), (4, 4795947), (6, 3197298), (9, 2131532), (12, 1598649), (13, 1475676), (18, 1065766), (26, 737838), (36, 532883), (39, 491892), (52, 368919), (78, 245946), (117, 163964), (156, 122973), (179, 107172), (229, 83772), (234, 81982), (358, 53586), (458, 41886), (468, 40991), (537, 35724), (687, 27924), (716, 26793), (916, 20943), (1074, 17862), (1374, 13962), (1611, 11908), (2061, 9308), (2148, 8931), (2327, 8244), (2748, 6981), (2977, 6444), (3222, 5954), (4122, 4654)]