18301218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 24155742

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 53, 57, 78, 106, 114, 159, 233, 247, 318, 466, 494, 689, 699, 741, 1007, 1378, 1398, 1482, 2014, 2067, 3021, 3029, 4134, 4427, 6042, 6058, 8854, 9087, 12349, 13091, 13281, 18174, 24698, 26182, 26562, 37047, 39273, 57551, 74094, 78546, 115102, 160537, 172653, 234631, 321074, 345306, 469262, 481611, 703893, 963222, 1407786, 3050203, 6100406, 9150609, 18301218]

約数ペア:

[(1, 18301218), (2, 9150609), (3, 6100406), (6, 3050203), (13, 1407786), (19, 963222), (26, 703893), (38, 481611), (39, 469262), (53, 345306), (57, 321074), (78, 234631), (106, 172653), (114, 160537), (159, 115102), (233, 78546), (247, 74094), (318, 57551), (466, 39273), (494, 37047), (689, 26562), (699, 26182), (741, 24698), (1007, 18174), (1378, 13281), (1398, 13091), (1482, 12349), (2014, 9087), (2067, 8854), (3021, 6058), (3029, 6042), (4134, 4427)]