18442917740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{7477}}^1$

素因数の和:7731

約数の個数: 96

約数和(自身を含む): 42739462080

約数和(自身を除く): 24296544340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 179, 212, 260, 265, 358, 530, 689, 716, 895, 1060, 1378, 1790, 2327, 2756, 3445, 3580, 4654, 6890, 7477, 9308, 9487, 11635, 13780, 14954, 18974, 23270, 29908, 37385, 37948, 46540, 47435, 74770, 94870, 97201, 123331, 149540, 189740, 194402, 246662, 388804, 396281, 486005, 493324, 616655, 792562, 972010, 1233310, 1338383, 1585124, 1944020, 1981405, 2466620, 2676766, 3962810, 5151653, 5353532, 6691915, 7925620, 10303306, 13383830, 17398979, 20606612, 25758265, 26767660, 34797958, 51516530, 69595916, 70934299, 86994895, 103033060, 141868598, 173989790, 283737196, 347979580, 354671495, 709342990, 922145887, 1418685980, 1844291774, 3688583548, 4610729435, 9221458870, 18442917740]

約数ペア:

[(1, 18442917740), (2, 9221458870), (4, 4610729435), (5, 3688583548), (10, 1844291774), (13, 1418685980), (20, 922145887), (26, 709342990), (52, 354671495), (53, 347979580), (65, 283737196), (106, 173989790), (130, 141868598), (179, 103033060), (212, 86994895), (260, 70934299), (265, 69595916), (358, 51516530), (530, 34797958), (689, 26767660), (716, 25758265), (895, 20606612), (1060, 17398979), (1378, 13383830), (1790, 10303306), (2327, 7925620), (2756, 6691915), (3445, 5353532), (3580, 5151653), (4654, 3962810), (6890, 2676766), (7477, 2466620), (9308, 1981405), (9487, 1944020), (11635, 1585124), (13780, 1338383), (14954, 1233310), (18974, 972010), (23270, 792562), (29908, 616655), (37385, 493324), (37948, 486005), (46540, 396281), (47435, 388804), (74770, 246662), (94870, 194402), (97201, 189740), (123331, 149540)]