18235728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 59321600

約数和(自身を除く): 41085872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 79, 84, 112, 126, 144, 158, 168, 229, 237, 252, 316, 336, 458, 474, 504, 553, 632, 687, 711, 916, 948, 1008, 1106, 1264, 1374, 1422, 1603, 1659, 1832, 1896, 2061, 2212, 2748, 2844, 3206, 3318, 3664, 3792, 4122, 4424, 4809, 4977, 5496, 5688, 6412, 6636, 8244, 8848, 9618, 9954, 10992, 11376, 12824, 13272, 14427, 16488, 18091, 19236, 19908, 25648, 26544, 28854, 32976, 36182, 38472, 39816, 54273, 57708, 72364, 76944, 79632, 108546, 115416, 126637, 144728, 162819, 217092, 230832, 253274, 289456, 325638, 379911, 434184, 506548, 651276, 759822, 868368, 1013096, 1139733, 1302552, 1519644, 2026192, 2279466, 2605104, 3039288, 4558932, 6078576, 9117864, 18235728]

約数ペア:

[(1, 18235728), (2, 9117864), (3, 6078576), (4, 4558932), (6, 3039288), (7, 2605104), (8, 2279466), (9, 2026192), (12, 1519644), (14, 1302552), (16, 1139733), (18, 1013096), (21, 868368), (24, 759822), (28, 651276), (36, 506548), (42, 434184), (48, 379911), (56, 325638), (63, 289456), (72, 253274), (79, 230832), (84, 217092), (112, 162819), (126, 144728), (144, 126637), (158, 115416), (168, 108546), (229, 79632), (237, 76944), (252, 72364), (316, 57708), (336, 54273), (458, 39816), (474, 38472), (504, 36182), (553, 32976), (632, 28854), (687, 26544), (711, 25648), (916, 19908), (948, 19236), (1008, 18091), (1106, 16488), (1264, 14427), (1374, 13272), (1422, 12824), (1603, 11376), (1659, 10992), (1832, 9954), (1896, 9618), (2061, 8848), (2212, 8244), (2748, 6636), (2844, 6412), (3206, 5688), (3318, 5496), (3664, 4977), (3792, 4809), (4122, 4424)]