19420377613

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{7639}}^1$

素因数の和:7986

約数の個数: 36

約数和(自身を含む): 24545394720

約数和(自身を除く): 5125017107

約数列:

[1, 7, 13, 49, 91, 169, 307, 637, 1183, 2149, 3991, 7639, 8281, 15043, 27937, 51883, 53473, 99307, 195559, 363181, 374311, 695149, 1290991, 2345173, 2542267, 4866043, 9036937, 16416211, 30487249, 63258559, 114913477, 213410743, 396334237, 1493875201, 2774339659, 19420377613]

約数ペア:

[(1, 19420377613), (7, 2774339659), (13, 1493875201), (49, 396334237), (91, 213410743), (169, 114913477), (307, 63258559), (637, 30487249), (1183, 16416211), (2149, 9036937), (3991, 4866043), (7639, 2542267), (8281, 2345173), (15043, 1290991), (27937, 695149), (51883, 374311), (53473, 363181), (99307, 195559)]