19844520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2786

約数の個数: 64

約数和(自身を含む): 60531840

約数和(自身を除く): 40687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2711, 3660, 5422, 7320, 8133, 10844, 13555, 16266, 21688, 27110, 32532, 40665, 54220, 65064, 81330, 108440, 162660, 165371, 325320, 330742, 496113, 661484, 826855, 992226, 1322968, 1653710, 1984452, 2480565, 3307420, 3968904, 4961130, 6614840, 9922260, 19844520]

約数ペア:

[(1, 19844520), (2, 9922260), (3, 6614840), (4, 4961130), (5, 3968904), (6, 3307420), (8, 2480565), (10, 1984452), (12, 1653710), (15, 1322968), (20, 992226), (24, 826855), (30, 661484), (40, 496113), (60, 330742), (61, 325320), (120, 165371), (122, 162660), (183, 108440), (244, 81330), (305, 65064), (366, 54220), (488, 40665), (610, 32532), (732, 27110), (915, 21688), (1220, 16266), (1464, 13555), (1830, 10844), (2440, 8133), (2711, 7320), (3660, 5422)]