19005548055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{21313}}^1$

素因数の和:21620

約数の個数: 64

約数和(自身を含む): 34804909440

約数和(自身を除く): 15799361385

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 269, 663, 807, 1105, 1345, 3315, 3497, 4035, 4573, 10491, 13719, 17485, 21313, 22865, 52455, 59449, 63939, 68595, 106565, 178347, 277069, 297245, 319695, 362321, 831207, 891735, 1086963, 1385345, 1811605, 4156035, 4710173, 5434815, 5733197, 14130519, 17199591, 23550865, 28665985, 70652595, 74531561, 85997955, 97464349, 223594683, 292393047, 372657805, 487321745, 1117973415, 1267036537, 1461965235, 3801109611, 6335182685, 19005548055]

約数ペア:

[(1, 19005548055), (3, 6335182685), (5, 3801109611), (13, 1461965235), (15, 1267036537), (17, 1117973415), (39, 487321745), (51, 372657805), (65, 292393047), (85, 223594683), (195, 97464349), (221, 85997955), (255, 74531561), (269, 70652595), (663, 28665985), (807, 23550865), (1105, 17199591), (1345, 14130519), (3315, 5733197), (3497, 5434815), (4035, 4710173), (4573, 4156035), (10491, 1811605), (13719, 1385345), (17485, 1086963), (21313, 891735), (22865, 831207), (52455, 362321), (59449, 319695), (63939, 297245), (68595, 277069), (106565, 178347)]