19637760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2557}}^1$

素因数の和:2583

約数の個数: 80

約数和(自身を含む): 62804016

約数和(自身を除く): 43166256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2557, 2560, 3840, 5114, 7671, 7680, 10228, 12785, 15342, 20456, 25570, 30684, 38355, 40912, 51140, 61368, 76710, 81824, 102280, 122736, 153420, 163648, 204560, 245472, 306840, 327296, 409120, 490944, 613680, 654592, 818240, 981888, 1227360, 1309184, 1636480, 1963776, 2454720, 3272960, 3927552, 4909440, 6545920, 9818880, 19637760]

約数ペア:

[(1, 19637760), (2, 9818880), (3, 6545920), (4, 4909440), (5, 3927552), (6, 3272960), (8, 2454720), (10, 1963776), (12, 1636480), (15, 1309184), (16, 1227360), (20, 981888), (24, 818240), (30, 654592), (32, 613680), (40, 490944), (48, 409120), (60, 327296), (64, 306840), (80, 245472), (96, 204560), (120, 163648), (128, 153420), (160, 122736), (192, 102280), (240, 81824), (256, 76710), (320, 61368), (384, 51140), (480, 40912), (512, 38355), (640, 30684), (768, 25570), (960, 20456), (1280, 15342), (1536, 12785), (1920, 10228), (2557, 7680), (2560, 7671), (3840, 5114)]