18108207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 11768913

約数列:

[1, 3, 9, 13, 37, 39, 47, 89, 111, 117, 141, 267, 333, 423, 481, 611, 801, 1157, 1443, 1739, 1833, 3293, 3471, 4183, 4329, 5217, 5499, 9879, 10413, 12549, 15651, 22607, 29637, 37647, 42809, 54379, 67821, 128427, 154771, 163137, 203463, 385281, 464313, 489411, 1392939, 2012023, 6036069, 18108207]

約数ペア:

[(1, 18108207), (3, 6036069), (9, 2012023), (13, 1392939), (37, 489411), (39, 464313), (47, 385281), (89, 203463), (111, 163137), (117, 154771), (141, 128427), (267, 67821), (333, 54379), (423, 42809), (481, 37647), (611, 29637), (801, 22607), (1157, 15651), (1443, 12549), (1739, 10413), (1833, 9879), (3293, 5499), (3471, 5217), (4183, 4329)]