18734076

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 50778000

約数和(自身を除く): 32043924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 449, 549, 684, 732, 898, 1098, 1159, 1347, 1796, 2196, 2318, 2694, 3477, 4041, 4636, 5388, 6954, 8082, 8531, 10431, 13908, 16164, 17062, 20862, 25593, 27389, 34124, 41724, 51186, 54778, 76779, 82167, 102372, 109556, 153558, 164334, 246501, 307116, 328668, 493002, 520391, 986004, 1040782, 1561173, 2081564, 3122346, 4683519, 6244692, 9367038, 18734076]

約数ペア:

[(1, 18734076), (2, 9367038), (3, 6244692), (4, 4683519), (6, 3122346), (9, 2081564), (12, 1561173), (18, 1040782), (19, 986004), (36, 520391), (38, 493002), (57, 328668), (61, 307116), (76, 246501), (114, 164334), (122, 153558), (171, 109556), (183, 102372), (228, 82167), (244, 76779), (342, 54778), (366, 51186), (449, 41724), (549, 34124), (684, 27389), (732, 25593), (898, 20862), (1098, 17062), (1159, 16164), (1347, 13908), (1796, 10431), (2196, 8531), (2318, 8082), (2694, 6954), (3477, 5388), (4041, 4636)]