18698850

素因数分解:

$2^1\times 3^9\times 5^2\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 120

約数和(自身を含む): 54914640

約数和(自身を除く): 36215790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 81, 90, 95, 114, 135, 150, 162, 171, 190, 225, 243, 270, 285, 342, 405, 450, 475, 486, 513, 570, 675, 729, 810, 855, 950, 1026, 1215, 1350, 1425, 1458, 1539, 1710, 2025, 2187, 2430, 2565, 2850, 3078, 3645, 4050, 4275, 4374, 4617, 5130, 6075, 6561, 7290, 7695, 8550, 9234, 10935, 12150, 12825, 13122, 13851, 15390, 18225, 19683, 21870, 23085, 25650, 27702, 32805, 36450, 38475, 39366, 41553, 46170, 54675, 65610, 69255, 76950, 83106, 98415, 109350, 115425, 124659, 138510, 164025, 196830, 207765, 230850, 249318, 328050, 346275, 373977, 415530, 492075, 623295, 692550, 747954, 984150, 1038825, 1246590, 1869885, 2077650, 3116475, 3739770, 6232950, 9349425, 18698850]

約数ペア:

[(1, 18698850), (2, 9349425), (3, 6232950), (5, 3739770), (6, 3116475), (9, 2077650), (10, 1869885), (15, 1246590), (18, 1038825), (19, 984150), (25, 747954), (27, 692550), (30, 623295), (38, 492075), (45, 415530), (50, 373977), (54, 346275), (57, 328050), (75, 249318), (81, 230850), (90, 207765), (95, 196830), (114, 164025), (135, 138510), (150, 124659), (162, 115425), (171, 109350), (190, 98415), (225, 83106), (243, 76950), (270, 69255), (285, 65610), (342, 54675), (405, 46170), (450, 41553), (475, 39366), (486, 38475), (513, 36450), (570, 32805), (675, 27702), (729, 25650), (810, 23085), (855, 21870), (950, 19683), (1026, 18225), (1215, 15390), (1350, 13851), (1425, 13122), (1458, 12825), (1539, 12150), (1710, 10935), (2025, 9234), (2187, 8550), (2430, 7695), (2565, 7290), (2850, 6561), (3078, 6075), (3645, 5130), (4050, 4617), (4275, 4374)]