19115760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3463}}^1$

素因数の和:3502

約数の個数: 80

約数和(自身を含む): 61853184

約数和(自身を除く): 42737424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3463, 5520, 6926, 10389, 13852, 17315, 20778, 27704, 34630, 41556, 51945, 55408, 69260, 79649, 83112, 103890, 138520, 159298, 166224, 207780, 238947, 277040, 318596, 398245, 415560, 477894, 637192, 796490, 831120, 955788, 1194735, 1274384, 1592980, 1911576, 2389470, 3185960, 3823152, 4778940, 6371920, 9557880, 19115760]

約数ペア:

[(1, 19115760), (2, 9557880), (3, 6371920), (4, 4778940), (5, 3823152), (6, 3185960), (8, 2389470), (10, 1911576), (12, 1592980), (15, 1274384), (16, 1194735), (20, 955788), (23, 831120), (24, 796490), (30, 637192), (40, 477894), (46, 415560), (48, 398245), (60, 318596), (69, 277040), (80, 238947), (92, 207780), (115, 166224), (120, 159298), (138, 138520), (184, 103890), (230, 83112), (240, 79649), (276, 69260), (345, 55408), (368, 51945), (460, 41556), (552, 34630), (690, 27704), (920, 20778), (1104, 17315), (1380, 13852), (1840, 10389), (2760, 6926), (3463, 5520)]