19910736

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 90

約数和(自身を含む): 57836142

約数和(自身を除く): 37925406

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 101, 111, 144, 148, 202, 222, 296, 303, 333, 404, 444, 592, 606, 666, 808, 888, 909, 1212, 1332, 1369, 1616, 1776, 1818, 2424, 2664, 2738, 3636, 3737, 4107, 4848, 5328, 5476, 7272, 7474, 8214, 10952, 11211, 12321, 14544, 14948, 16428, 21904, 22422, 24642, 29896, 32856, 33633, 44844, 49284, 59792, 65712, 67266, 89688, 98568, 134532, 138269, 179376, 197136, 269064, 276538, 414807, 538128, 553076, 829614, 1106152, 1244421, 1659228, 2212304, 2488842, 3318456, 4977684, 6636912, 9955368, 19910736]

約数ペア:

[(1, 19910736), (2, 9955368), (3, 6636912), (4, 4977684), (6, 3318456), (8, 2488842), (9, 2212304), (12, 1659228), (16, 1244421), (18, 1106152), (24, 829614), (36, 553076), (37, 538128), (48, 414807), (72, 276538), (74, 269064), (101, 197136), (111, 179376), (144, 138269), (148, 134532), (202, 98568), (222, 89688), (296, 67266), (303, 65712), (333, 59792), (404, 49284), (444, 44844), (592, 33633), (606, 32856), (666, 29896), (808, 24642), (888, 22422), (909, 21904), (1212, 16428), (1332, 14948), (1369, 14544), (1616, 12321), (1776, 11211), (1818, 10952), (2424, 8214), (2664, 7474), (2738, 7272), (3636, 5476), (3737, 5328), (4107, 4848)]