19248520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 48280320

約数和(自身を除く): 29031800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 43, 62, 76, 86, 95, 124, 152, 155, 172, 190, 215, 248, 310, 344, 361, 380, 430, 589, 620, 722, 760, 817, 860, 1178, 1240, 1333, 1444, 1634, 1720, 1805, 2356, 2666, 2888, 2945, 3268, 3610, 4085, 4712, 5332, 5890, 6536, 6665, 7220, 8170, 10664, 11191, 11780, 13330, 14440, 15523, 16340, 22382, 23560, 25327, 26660, 31046, 32680, 44764, 50654, 53320, 55955, 62092, 77615, 89528, 101308, 111910, 124184, 126635, 155230, 202616, 223820, 253270, 310460, 447640, 481213, 506540, 620920, 962426, 1013080, 1924852, 2406065, 3849704, 4812130, 9624260, 19248520]

約数ペア:

[(1, 19248520), (2, 9624260), (4, 4812130), (5, 3849704), (8, 2406065), (10, 1924852), (19, 1013080), (20, 962426), (31, 620920), (38, 506540), (40, 481213), (43, 447640), (62, 310460), (76, 253270), (86, 223820), (95, 202616), (124, 155230), (152, 126635), (155, 124184), (172, 111910), (190, 101308), (215, 89528), (248, 77615), (310, 62092), (344, 55955), (361, 53320), (380, 50654), (430, 44764), (589, 32680), (620, 31046), (722, 26660), (760, 25327), (817, 23560), (860, 22382), (1178, 16340), (1240, 15523), (1333, 14440), (1444, 13330), (1634, 11780), (1720, 11191), (1805, 10664), (2356, 8170), (2666, 7220), (2888, 6665), (2945, 6536), (3268, 5890), (3610, 5332), (4085, 4712)]