18996048

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 57451680

約数和(自身を除く): 38455632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 53, 57, 72, 76, 106, 114, 131, 144, 152, 159, 171, 212, 228, 262, 304, 318, 342, 393, 424, 456, 477, 524, 636, 684, 786, 848, 912, 954, 1007, 1048, 1179, 1272, 1368, 1572, 1908, 2014, 2096, 2358, 2489, 2544, 2736, 3021, 3144, 3816, 4028, 4716, 4978, 6042, 6288, 6943, 7467, 7632, 8056, 9063, 9432, 9956, 12084, 13886, 14934, 16112, 18126, 18864, 19912, 20829, 22401, 24168, 27772, 29868, 36252, 39824, 41658, 44802, 48336, 55544, 59736, 62487, 72504, 83316, 89604, 111088, 119472, 124974, 131917, 145008, 166632, 179208, 249948, 263834, 333264, 358416, 395751, 499896, 527668, 791502, 999792, 1055336, 1187253, 1583004, 2110672, 2374506, 3166008, 4749012, 6332016, 9498024, 18996048]

約数ペア:

[(1, 18996048), (2, 9498024), (3, 6332016), (4, 4749012), (6, 3166008), (8, 2374506), (9, 2110672), (12, 1583004), (16, 1187253), (18, 1055336), (19, 999792), (24, 791502), (36, 527668), (38, 499896), (48, 395751), (53, 358416), (57, 333264), (72, 263834), (76, 249948), (106, 179208), (114, 166632), (131, 145008), (144, 131917), (152, 124974), (159, 119472), (171, 111088), (212, 89604), (228, 83316), (262, 72504), (304, 62487), (318, 59736), (342, 55544), (393, 48336), (424, 44802), (456, 41658), (477, 39824), (524, 36252), (636, 29868), (684, 27772), (786, 24168), (848, 22401), (912, 20829), (954, 19912), (1007, 18864), (1048, 18126), (1179, 16112), (1272, 14934), (1368, 13886), (1572, 12084), (1908, 9956), (2014, 9432), (2096, 9063), (2358, 8056), (2489, 7632), (2544, 7467), (2736, 6943), (3021, 6288), (3144, 6042), (3816, 4978), (4028, 4716)]