19666560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10243}}^1$

素因数の和:10265

約数の個数: 64

約数和(自身を含む): 62693280

約数和(自身を除く): 43026720

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, 320, 384, 480, 640, 960, 1920, 10243, 20486, 30729, 40972, 51215, 61458, 81944, 102430, 122916, 153645, 163888, 204860, 245832, 307290, 327776, 409720, 491664, 614580, 655552, 819440, 983328, 1229160, 1311104, 1638880, 1966656, 2458320, 3277760, 3933312, 4916640, 6555520, 9833280, 19666560]

約数ペア:

[(1, 19666560), (2, 9833280), (3, 6555520), (4, 4916640), (5, 3933312), (6, 3277760), (8, 2458320), (10, 1966656), (12, 1638880), (15, 1311104), (16, 1229160), (20, 983328), (24, 819440), (30, 655552), (32, 614580), (40, 491664), (48, 409720), (60, 327776), (64, 307290), (80, 245832), (96, 204860), (120, 163888), (128, 153645), (160, 122916), (192, 102430), (240, 81944), (320, 61458), (384, 51215), (480, 40972), (640, 30729), (960, 20486), (1920, 10243)]