19357.0000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 28803600

約数和(自身を除く): 19078260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 449, 570, 722, 898, 1083, 1140, 1347, 1444, 1796, 1805, 2166, 2245, 2694, 3610, 4332, 4490, 5388, 5415, 6735, 7220, 8531, 8980, 10830, 13470, 17062, 21660, 25593, 26940, 34124, 42655, 51186, 85310, 102372, 127965, 162089, 170620, 255930, 324178, 486267, 511860, 648356, 810445, 972534, 1620890, 1945068, 2431335, 3241780, 4862670, 9725340]

約数ペア:

[(1, 9725340), (2, 4862670), (3, 3241780), (4, 2431335), (5, 1945068), (6, 1620890), (10, 972534), (12, 810445), (15, 648356), (19, 511860), (20, 486267), (30, 324178), (38, 255930), (57, 170620), (60, 162089), (76, 127965), (95, 102372), (114, 85310), (190, 51186), (228, 42655), (285, 34124), (361, 26940), (380, 25593), (449, 21660), (570, 17062), (722, 13470), (898, 10830), (1083, 8980), (1140, 8531), (1347, 7220), (1444, 6735), (1796, 5415), (1805, 5388), (2166, 4490), (2245, 4332), (2694, 3610)]