18639040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 52011072

約数和(自身を除く): 33372032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 157, 160, 212, 224, 265, 280, 314, 320, 371, 424, 448, 530, 560, 628, 742, 785, 848, 1060, 1099, 1120, 1256, 1484, 1570, 1696, 1855, 2120, 2198, 2240, 2512, 2968, 3140, 3392, 3710, 4240, 4396, 5024, 5495, 5936, 6280, 7420, 8321, 8480, 8792, 10048, 10990, 11872, 12560, 14840, 16642, 16960, 17584, 21980, 23744, 25120, 29680, 33284, 35168, 41605, 43960, 50240, 58247, 59360, 66568, 70336, 83210, 87920, 116494, 118720, 133136, 166420, 175840, 232988, 266272, 291235, 332840, 351680, 465976, 532544, 582470, 665680, 931952, 1164940, 1331360, 1863904, 2329880, 2662720, 3727808, 4659760, 9319520, 18639040]

約数ペア:

[(1, 18639040), (2, 9319520), (4, 4659760), (5, 3727808), (7, 2662720), (8, 2329880), (10, 1863904), (14, 1331360), (16, 1164940), (20, 931952), (28, 665680), (32, 582470), (35, 532544), (40, 465976), (53, 351680), (56, 332840), (64, 291235), (70, 266272), (80, 232988), (106, 175840), (112, 166420), (140, 133136), (157, 118720), (160, 116494), (212, 87920), (224, 83210), (265, 70336), (280, 66568), (314, 59360), (320, 58247), (371, 50240), (424, 43960), (448, 41605), (530, 35168), (560, 33284), (628, 29680), (742, 25120), (785, 23744), (848, 21980), (1060, 17584), (1099, 16960), (1120, 16642), (1256, 14840), (1484, 12560), (1570, 11872), (1696, 10990), (1855, 10048), (2120, 8792), (2198, 8480), (2240, 8321), (2512, 7420), (2968, 6280), (3140, 5936), (3392, 5495), (3710, 5024), (4240, 4396)]