19444688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 39283200

約数和(自身を除く): 19838512

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 199, 248, 394, 398, 496, 788, 796, 1576, 1592, 3152, 3184, 6107, 6169, 12214, 12338, 24428, 24676, 39203, 48856, 49352, 78406, 97712, 98704, 156812, 313624, 627248, 1215293, 2430586, 4861172, 9722344, 19444688]

約数ペア:

[(1, 19444688), (2, 9722344), (4, 4861172), (8, 2430586), (16, 1215293), (31, 627248), (62, 313624), (124, 156812), (197, 98704), (199, 97712), (248, 78406), (394, 49352), (398, 48856), (496, 39203), (788, 24676), (796, 24428), (1576, 12338), (1592, 12214), (3152, 6169), (3184, 6107)]