18974389232

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{3779}}^1$

素因数の和:4062

約数の個数: 80

約数和(自身を含む): 38877511680

約数和(自身を除く): 19903122448

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 191, 212, 248, 382, 424, 496, 764, 848, 1528, 1643, 3056, 3286, 3779, 5921, 6572, 7558, 10123, 11842, 13144, 15116, 20246, 23684, 26288, 30232, 40492, 47368, 60464, 80984, 94736, 117149, 161968, 200287, 234298, 313813, 400574, 468596, 627626, 721789, 801148, 937192, 1255252, 1443578, 1602296, 1874384, 2510504, 2887156, 3204592, 5021008, 5774312, 6208897, 11548624, 12417794, 22375459, 24835588, 38254817, 44750918, 49671176, 76509634, 89501836, 99342352, 153019268, 179003672, 306038536, 358007344, 612077072, 1185899327, 2371798654, 4743597308, 9487194616, 18974389232]

約数ペア:

[(1, 18974389232), (2, 9487194616), (4, 4743597308), (8, 2371798654), (16, 1185899327), (31, 612077072), (53, 358007344), (62, 306038536), (106, 179003672), (124, 153019268), (191, 99342352), (212, 89501836), (248, 76509634), (382, 49671176), (424, 44750918), (496, 38254817), (764, 24835588), (848, 22375459), (1528, 12417794), (1643, 11548624), (3056, 6208897), (3286, 5774312), (3779, 5021008), (5921, 3204592), (6572, 2887156), (7558, 2510504), (10123, 1874384), (11842, 1602296), (13144, 1443578), (15116, 1255252), (20246, 937192), (23684, 801148), (26288, 721789), (30232, 627626), (40492, 468596), (47368, 400574), (60464, 313813), (80984, 234298), (94736, 200287), (117149, 161968)]