18880452350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{739}}^1$

素因数の和:1146

約数の個数: 96

約数和(自身を含む): 37103339520

約数和(自身を除く): 18222887170

約数列:

[1, 2, 5, 10, 25, 31, 50, 53, 62, 106, 155, 265, 310, 311, 530, 622, 739, 775, 1325, 1478, 1550, 1555, 1643, 2650, 3110, 3286, 3695, 7390, 7775, 8215, 9641, 15550, 16430, 16483, 18475, 19282, 22909, 32966, 36950, 39167, 41075, 45818, 48205, 78334, 82150, 82415, 96410, 114545, 164830, 195835, 229090, 229829, 241025, 391670, 412075, 459658, 482050, 510973, 572725, 824150, 979175, 1021946, 1145450, 1149145, 1214177, 1958350, 2298290, 2428354, 2554865, 5109730, 5745725, 6070885, 7124699, 11491450, 12141770, 12180937, 12774325, 14249398, 24361874, 25548650, 30354425, 35623495, 60708850, 60904685, 71246990, 121809370, 178117475, 304523425, 356234950, 377609047, 609046850, 755218094, 1888045235, 3776090470, 9440226175, 18880452350]

約数ペア:

[(1, 18880452350), (2, 9440226175), (5, 3776090470), (10, 1888045235), (25, 755218094), (31, 609046850), (50, 377609047), (53, 356234950), (62, 304523425), (106, 178117475), (155, 121809370), (265, 71246990), (310, 60904685), (311, 60708850), (530, 35623495), (622, 30354425), (739, 25548650), (775, 24361874), (1325, 14249398), (1478, 12774325), (1550, 12180937), (1555, 12141770), (1643, 11491450), (2650, 7124699), (3110, 6070885), (3286, 5745725), (3695, 5109730), (7390, 2554865), (7775, 2428354), (8215, 2298290), (9641, 1958350), (15550, 1214177), (16430, 1149145), (16483, 1145450), (18475, 1021946), (19282, 979175), (22909, 824150), (32966, 572725), (36950, 510973), (39167, 482050), (41075, 459658), (45818, 412075), (48205, 391670), (78334, 241025), (82150, 229829), (82415, 229090), (96410, 195835), (114545, 164830)]