18423540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5421

約数の個数: 72

約数和(自身を含む): 58836960

約数和(自身を除く): 40413420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5387, 10774, 16161, 21548, 26935, 32322, 48483, 53870, 64644, 80805, 96966, 102353, 107740, 161610, 193932, 204706, 242415, 307059, 323220, 409412, 484830, 511765, 614118, 921177, 969660, 1023530, 1228236, 1535295, 1842354, 2047060, 3070590, 3684708, 4605885, 6141180, 9211770, 18423540]

約数ペア:

[(1, 18423540), (2, 9211770), (3, 6141180), (4, 4605885), (5, 3684708), (6, 3070590), (9, 2047060), (10, 1842354), (12, 1535295), (15, 1228236), (18, 1023530), (19, 969660), (20, 921177), (30, 614118), (36, 511765), (38, 484830), (45, 409412), (57, 323220), (60, 307059), (76, 242415), (90, 204706), (95, 193932), (114, 161610), (171, 107740), (180, 102353), (190, 96966), (228, 80805), (285, 64644), (342, 53870), (380, 48483), (570, 32322), (684, 26935), (855, 21548), (1140, 16161), (1710, 10774), (3420, 5387)]