19717596

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 52035984

約数和(自身を除く): 32318388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 113, 131, 148, 222, 226, 262, 333, 339, 393, 444, 452, 524, 666, 678, 786, 1017, 1179, 1332, 1356, 1572, 2034, 2358, 4068, 4181, 4716, 4847, 8362, 9694, 12543, 14541, 14803, 16724, 19388, 25086, 29082, 29606, 37629, 43623, 44409, 50172, 58164, 59212, 75258, 87246, 88818, 133227, 150516, 174492, 177636, 266454, 532908, 547711, 1095422, 1643133, 2190844, 3286266, 4929399, 6572532, 9858798, 19717596]

約数ペア:

[(1, 19717596), (2, 9858798), (3, 6572532), (4, 4929399), (6, 3286266), (9, 2190844), (12, 1643133), (18, 1095422), (36, 547711), (37, 532908), (74, 266454), (111, 177636), (113, 174492), (131, 150516), (148, 133227), (222, 88818), (226, 87246), (262, 75258), (333, 59212), (339, 58164), (393, 50172), (444, 44409), (452, 43623), (524, 37629), (666, 29606), (678, 29082), (786, 25086), (1017, 19388), (1179, 16724), (1332, 14803), (1356, 14541), (1572, 12543), (2034, 9694), (2358, 8362), (4068, 4847), (4181, 4716)]