20181805254

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{65687}}^1$

素因数の和:65822

約数の個数: 72

約数和(自身を含む): 47819156112

約数和(自身を除く): 27637350858

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 101, 117, 169, 202, 234, 303, 338, 507, 606, 909, 1014, 1313, 1521, 1818, 2626, 3042, 3939, 7878, 11817, 17069, 23634, 34138, 51207, 65687, 102414, 131374, 153621, 197061, 307242, 394122, 591183, 853931, 1182366, 1707862, 2561793, 5123586, 6634387, 7685379, 11101103, 13268774, 15370758, 19903161, 22202206, 33303309, 39806322, 59709483, 66606618, 86247031, 99909927, 119418966, 172494062, 199819854, 258741093, 517482186, 776223279, 1121211403, 1552446558, 2242422806, 3363634209, 6727268418, 10090902627, 20181805254]

約数ペア:

[(1, 20181805254), (2, 10090902627), (3, 6727268418), (6, 3363634209), (9, 2242422806), (13, 1552446558), (18, 1121211403), (26, 776223279), (39, 517482186), (78, 258741093), (101, 199819854), (117, 172494062), (169, 119418966), (202, 99909927), (234, 86247031), (303, 66606618), (338, 59709483), (507, 39806322), (606, 33303309), (909, 22202206), (1014, 19903161), (1313, 15370758), (1521, 13268774), (1818, 11101103), (2626, 7685379), (3042, 6634387), (3939, 5123586), (7878, 2561793), (11817, 1707862), (17069, 1182366), (23634, 853931), (34138, 591183), (51207, 394122), (65687, 307242), (102414, 197061), (131374, 153621)]