19720292384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{6563}}^1$

素因数の和:6850

約数の個数: 96

約数和(自身を含む): 43351386624

約数和(自身を除く): 23631094240

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 233, 248, 403, 416, 466, 496, 806, 932, 992, 1612, 1864, 3029, 3224, 3728, 6058, 6448, 6563, 7223, 7456, 12116, 12896, 13126, 14446, 24232, 26252, 28892, 48464, 52504, 57784, 85319, 93899, 96928, 105008, 115568, 170638, 187798, 203453, 210016, 231136, 341276, 375596, 406906, 682552, 751192, 813812, 1365104, 1502384, 1529179, 1627624, 2644889, 2730208, 3004768, 3058358, 3255248, 5289778, 6116716, 6510496, 10579556, 12233432, 19879327, 21159112, 24466864, 39758654, 42318224, 47404549, 48933728, 79517308, 84636448, 94809098, 159034616, 189618196, 318069232, 379236392, 616259137, 636138464, 758472784, 1232518274, 1516945568, 2465036548, 4930073096, 9860146192, 19720292384]

約数ペア:

[(1, 19720292384), (2, 9860146192), (4, 4930073096), (8, 2465036548), (13, 1516945568), (16, 1232518274), (26, 758472784), (31, 636138464), (32, 616259137), (52, 379236392), (62, 318069232), (104, 189618196), (124, 159034616), (208, 94809098), (233, 84636448), (248, 79517308), (403, 48933728), (416, 47404549), (466, 42318224), (496, 39758654), (806, 24466864), (932, 21159112), (992, 19879327), (1612, 12233432), (1864, 10579556), (3029, 6510496), (3224, 6116716), (3728, 5289778), (6058, 3255248), (6448, 3058358), (6563, 3004768), (7223, 2730208), (7456, 2644889), (12116, 1627624), (12896, 1529179), (13126, 1502384), (14446, 1365104), (24232, 813812), (26252, 751192), (28892, 682552), (48464, 406906), (52504, 375596), (57784, 341276), (85319, 231136), (93899, 210016), (96928, 203453), (105008, 187798), (115568, 170638)]