19000042384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1\times {\mathrm{1259}}^1$

素因数の和:1888

約数の個数: 80

約数和(自身を含む): 39434351040

約数和(自身を除く): 20434308656

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 491, 904, 982, 1259, 1808, 1921, 1964, 2518, 3842, 3928, 5036, 7684, 7856, 8347, 10072, 15368, 16694, 20144, 21403, 30736, 33388, 42806, 55483, 66776, 85612, 110966, 133552, 142267, 171224, 221932, 284534, 342448, 443864, 569068, 618169, 887728, 943211, 1138136, 1236338, 1886422, 2276272, 2418539, 2472676, 3772844, 4837078, 4945352, 7545688, 9674156, 9890704, 10508873, 15091376, 19348312, 21017746, 38696624, 42035492, 69853097, 84070984, 139706194, 168141968, 279412388, 558824776, 1117649552, 1187502649, 2375005298, 4750010596, 9500021192, 19000042384]

約数ペア:

[(1, 19000042384), (2, 9500021192), (4, 4750010596), (8, 2375005298), (16, 1187502649), (17, 1117649552), (34, 558824776), (68, 279412388), (113, 168141968), (136, 139706194), (226, 84070984), (272, 69853097), (452, 42035492), (491, 38696624), (904, 21017746), (982, 19348312), (1259, 15091376), (1808, 10508873), (1921, 9890704), (1964, 9674156), (2518, 7545688), (3842, 4945352), (3928, 4837078), (5036, 3772844), (7684, 2472676), (7856, 2418539), (8347, 2276272), (10072, 1886422), (15368, 1236338), (16694, 1138136), (20144, 943211), (21403, 887728), (30736, 618169), (33388, 569068), (42806, 443864), (55483, 342448), (66776, 284534), (85612, 221932), (110966, 171224), (133552, 142267)]