18850860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4987}}^1$

素因数の和:5012

約数の個数: 96

約数和(自身を含む): 67038720

約数和(自身を除く): 48187860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4987, 9974, 14961, 19948, 24935, 29922, 34909, 44883, 49870, 59844, 69818, 74805, 89766, 99740, 104727, 134649, 139636, 149610, 174545, 179532, 209454, 224415, 269298, 299220, 314181, 349090, 418908, 448830, 523635, 538596, 628362, 673245, 698180, 897660, 942543, 1047270, 1256724, 1346490, 1570905, 1885086, 2094540, 2692980, 3141810, 3770172, 4712715, 6283620, 9425430, 18850860]

約数ペア:

[(1, 18850860), (2, 9425430), (3, 6283620), (4, 4712715), (5, 3770172), (6, 3141810), (7, 2692980), (9, 2094540), (10, 1885086), (12, 1570905), (14, 1346490), (15, 1256724), (18, 1047270), (20, 942543), (21, 897660), (27, 698180), (28, 673245), (30, 628362), (35, 538596), (36, 523635), (42, 448830), (45, 418908), (54, 349090), (60, 314181), (63, 299220), (70, 269298), (84, 224415), (90, 209454), (105, 179532), (108, 174545), (126, 149610), (135, 139636), (140, 134649), (180, 104727), (189, 99740), (210, 89766), (252, 74805), (270, 69818), (315, 59844), (378, 49870), (420, 44883), (540, 34909), (630, 29922), (756, 24935), (945, 19948), (1260, 14961), (1890, 9974), (3780, 4987)]