19694080

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 55278828

約数和(自身を除く): 35584748

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 157, 160, 196, 224, 245, 256, 280, 314, 320, 392, 448, 490, 512, 560, 628, 640, 784, 785, 896, 980, 1099, 1120, 1256, 1280, 1568, 1570, 1792, 1960, 2198, 2240, 2512, 2560, 3136, 3140, 3584, 3920, 4396, 4480, 5024, 5495, 6272, 6280, 7693, 7840, 8792, 8960, 10048, 10990, 12544, 12560, 15386, 15680, 17584, 17920, 20096, 21980, 25088, 25120, 30772, 31360, 35168, 38465, 40192, 43960, 50240, 61544, 62720, 70336, 76930, 80384, 87920, 100480, 123088, 125440, 140672, 153860, 175840, 200960, 246176, 281344, 307720, 351680, 401920, 492352, 562688, 615440, 703360, 984704, 1230880, 1406720, 1969408, 2461760, 2813440, 3938816, 4923520, 9847040, 19694080]

約数ペア:

[(1, 19694080), (2, 9847040), (4, 4923520), (5, 3938816), (7, 2813440), (8, 2461760), (10, 1969408), (14, 1406720), (16, 1230880), (20, 984704), (28, 703360), (32, 615440), (35, 562688), (40, 492352), (49, 401920), (56, 351680), (64, 307720), (70, 281344), (80, 246176), (98, 200960), (112, 175840), (128, 153860), (140, 140672), (157, 125440), (160, 123088), (196, 100480), (224, 87920), (245, 80384), (256, 76930), (280, 70336), (314, 62720), (320, 61544), (392, 50240), (448, 43960), (490, 40192), (512, 38465), (560, 35168), (628, 31360), (640, 30772), (784, 25120), (785, 25088), (896, 21980), (980, 20096), (1099, 17920), (1120, 17584), (1256, 15680), (1280, 15386), (1568, 12560), (1570, 12544), (1792, 10990), (1960, 10048), (2198, 8960), (2240, 8792), (2512, 7840), (2560, 7693), (3136, 6280), (3140, 6272), (3584, 5495), (3920, 5024), (4396, 4480)]